%0 Journal Article
%A Egor Mikhailovich Bogatov
%T On the history of variational methods of non-linear equations investigations and the contribution of Soviet scientists (1920s-1950s).
%J Antiquitates Mathematicae
%D 2020
%P  3-38
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/am.v14i1.6418/
%R 10.14708/am.v14i1.6418
%G pl
%F 10_14708_am_v14i1_6418