deletions | additions       diff --git a/section_begin_thebibliography_50_bibitem__.tex b/section_begin_thebibliography_50_bibitem__.tex  index 1bd98e2..3934839 100644  --- a/section_begin_thebibliography_50_bibitem__.tex  +++ b/section_begin_thebibliography_50_bibitem__.tex 
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Faruk Selcuk Ramazan Gencay. An Introduction to Wavelets and Other Filtering Methods in Finance and Economics. (2002).  \bibitem{2}  Robert Grover Brown. Introduction to random signal analysis and kalman filtering. (1983).  \bibitem{habr} \bibitem{3}  \href{https://habrahabr.ru/post/166693/}{Фильтр Калмана, Хабрахабр}, Худавердян Давид , Дата обращения : 5.06.2016  \end{thebibliography)