deletions | additions       diff --git a/section_Integrals_subsection_Multivariate_delta__.tex b/section_Integrals_subsection_Multivariate_delta__.tex  index 08806d6..20c295a 100644  --- a/section_Integrals_subsection_Multivariate_delta__.tex  +++ b/section_Integrals_subsection_Multivariate_delta__.tex 
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\subsection{Newton's shell theorems}  \subsection{Useful variable substitutions}  \subsection{Similarity variables}