\begin{thebibliography}{14}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
\expandafter\ifx\csname bibnamefont\endcsname\relax
  \def\bibnamefont#1{#1}\fi
\expandafter\ifx\csname bibfnamefont\endcsname\relax
  \def\bibfnamefont#1{#1}\fi
\expandafter\ifx\csname citenamefont\endcsname\relax
  \def\citenamefont#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{\texttt{#1}}\fi
\expandafter\ifx\csname urlprefix\endcsname\relax\def\urlprefix{URL }\fi
\providecommand{\bibinfo}[2]{#2}
\providecommand{\eprint}[2][]{\url{#2}}

\bibitem[{\citenamefont{Feynman}(1948)}]{Feynman_1}
\bibinfo{author}{\bibfnamefont{R.}~\bibnamefont{Feynman}},
  \bibinfo{journal}{Reviews of Modern Physics} \textbf{\bibinfo{volume}{2}},
  \bibinfo{pages}{367} (\bibinfo{year}{1948}).

\bibitem[{\citenamefont{Feynman and Hibbs}(1965)}]{Feynman_2}
\bibinfo{author}{\bibfnamefont{R.}~\bibnamefont{Feynman}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{A.~R.} \bibnamefont{Hibbs}},
  \emph{\bibinfo{title}{Quantum Mechanics and Path Integrals}}
  (\bibinfo{publisher}{McGraw-Hill, USA}, \bibinfo{year}{1965}).

\bibitem[{\citenamefont{Muldowney}(2012)}]{Muldowney}
\bibinfo{author}{\bibfnamefont{P.}~\bibnamefont{Muldowney}},
  \emph{\bibinfo{title}{A Modern Theory of Random Variation}}
  (\bibinfo{publisher}{Wiley, N.J.}, \bibinfo{year}{2012}).

\bibitem[{\citenamefont{Nathanson and J{\o}rgensen}(2015)}]{Katya_1}
\bibinfo{author}{\bibfnamefont{E.~S.} \bibnamefont{Nathanson}}
  \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{E.}~\bibnamefont{J{\o}rgensen},
  \bibfnamefont{Palle}}, \bibinfo{journal}{J. Math. Phys.}
  \textbf{\bibinfo{volume}{56}}, \bibinfo{pages}{092102}
  (\bibinfo{year}{2015}).

\bibitem[{\citenamefont{Nathanson}(2015)}]{Katya_2}
\bibinfo{author}{\bibfnamefont{E.~S.} \bibnamefont{Nathanson}},
  \bibinfo{journal}{University of Iowa Thesis}  (\bibinfo{year}{2015}).

\bibitem[{\citenamefont{Henstock}(1963)}]{Henstock}
\bibinfo{author}{\bibfnamefont{R.}~\bibnamefont{Henstock}},
  \emph{\bibinfo{title}{Theory of Integration}}
  (\bibinfo{publisher}{Butterworths, London}, \bibinfo{year}{1963}).

\bibitem[{\citenamefont{Bartle}(2001)}]{bartle}
\bibinfo{author}{\bibfnamefont{R.~G.} \bibnamefont{Bartle}},
  \emph{\bibinfo{title}{A modern theory of integration}},
  vol.~\bibinfo{volume}{32} (\bibinfo{publisher}{American Mathematical Society,
  Providence, RI}, \bibinfo{year}{2001}).

\bibitem[{\citenamefont{Gill and Zachary}(2008)}]{Gill}
\bibinfo{author}{\bibfnamefont{T.}~\bibnamefont{Gill}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{W.}~\bibnamefont{Zachary}},
  \bibinfo{journal}{Real Analysis Exchange} \textbf{\bibinfo{volume}{34}},
  \bibinfo{pages}{1} (\bibinfo{year}{2008}).

\bibitem[{\citenamefont{Reed and Simon}(1980)}]{Simon}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Reed}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{B.}~\bibnamefont{Simon}},
  \emph{\bibinfo{title}{Methods of Modern Mathematical Physics}},
  vol.~\bibinfo{volume}{I} (\bibinfo{publisher}{Academic Press, San Diego},
  \bibinfo{year}{1980}).

\bibitem[{\citenamefont{Lippmann and Schwinger}(1950)}]{Lippmann}
\bibinfo{author}{\bibfnamefont{B.~A.} \bibnamefont{Lippmann}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Schwinger}},
  \bibinfo{journal}{Physical Review} \textbf{\bibinfo{volume}{79}},
  \bibinfo{pages}{409 eq 1.63} (\bibinfo{year}{1950}).

\bibitem[{\citenamefont{Nelson}(1964)}]{Nelson}
\bibinfo{author}{\bibfnamefont{E.}~\bibnamefont{Nelson}},
  \bibinfo{journal}{Journal of Mathematical Physics}
  \textbf{\bibinfo{volume}{5}}, \bibinfo{pages}{332} (\bibinfo{year}{1964}).

\bibitem[{\citenamefont{Abramowitz and Stegun}(1964)}]{Abramowitz}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Abramowitz}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{I.}~\bibnamefont{Stegun}},
  \emph{\bibinfo{title}{Handbook of Mathematical Functions}},
  vol.~\bibinfo{volume}{55} (\bibinfo{publisher}{National Bureau of Standards,
  Washington DC.}, \bibinfo{year}{1964}).

\bibitem[{\citenamefont{Rubtsova et~al.}(2009)\citenamefont{Rubtsova,
  Pomerantsev, and Kukulin}}]{Rubtsova}
\bibinfo{author}{\bibfnamefont{O.~A.} \bibnamefont{Rubtsova}},
  \bibinfo{author}{\bibfnamefont{V.~N.} \bibnamefont{Pomerantsev}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{V.~I.}
  \bibnamefont{Kukulin}}, \bibinfo{journal}{Physical Review C}
  \textbf{\bibinfo{volume}{79}}, \bibinfo{pages}{064602}
  (\bibinfo{year}{2009}).

\bibitem[{\citenamefont{M{\o}ller}(1945)}]{Moller}
\bibinfo{author}{\bibfnamefont{C.}~\bibnamefont{M{\o}ller}},
  \bibinfo{journal}{Det. Kggl. Danske Videnskaberbernes Selskab,
  Matematisk-Fysiske Meddelelser} \textbf{\bibinfo{volume}{23(1)}}
  (\bibinfo{year}{1945}).

\end{thebibliography}
