\Bibitem{ArkZhuIsk03} \by G.~I.~Arkhipov, V.~G.~Zhuravlev, V.~A.~Iskovskikh, A.~A.~Karatsuba, M.~B.~Levina-Khripunova, V.~N.~Chubarikov, A.~A.~Yudin \paper Nikolai Mikhailovich Timofeev (obituary) \jour Russian Math. Surveys \yr 2003 \vol 58 \issue 4 \pages 773--776 \mathnet{http://mi.mathnet.ru/eng/rm659} \crossref{https://doi.org/10.1070/RM2003v058n04ABEH000659} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=2042402} \zmath{https://zbmath.org/?q=an:1050.01512} \adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?2003RuMaS..58..773A} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000187030700004}