deletions | additions       diff --git a/section_Integrals_subsection_Multivariate_delta__.tex b/section_Integrals_subsection_Multivariate_delta__.tex  index 677fda3..521896d 100644  --- a/section_Integrals_subsection_Multivariate_delta__.tex  +++ b/section_Integrals_subsection_Multivariate_delta__.tex 
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\subsubsection{Example: computing an orbital period}  \subsection{Abel transform}  \subsubsection{Example: projecting to the line of sight}  \subsection{Fourier transform conventions}  \subsection{Newton's shell theorems}  \subsection{Useful variable substitutions}