\Bibitem{VlaGonZhi92} \by V.~S.~Vladimirov, A.~A.~Gonchar, A.~B.~Zhizhchenko, V.~P.~Maslov, Yu.~A.~Mitropol'skii, E.~F.~Mishchenko, S.~P.~Novikov, Ya.~G.~Sinai, L.~D.~Faddeev \paper Nikolai Nikolaevich Bogolyubov (obituary) \jour Russian Math. Surveys \yr 1992 \vol 47 \issue 3 \pages 1--3 \mathnet{http://mi.mathnet.ru/eng/rm4510} \crossref{https://doi.org/10.1070/RM1992v047n03ABEH000892} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1185298} \adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?1992RuMaS..47....1F} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1992KU98000001}