TY  - JOUR
AU  - Egor Mikhailovich Bogatov
TI  - On the history of variational methods of non-linear equations investigations and the contribution of Soviet scientists (1920s-1950s).
JO  - Antiquitates Mathematicae
PY  - 2020
SP  -  3
EP  - 38
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/am.v14i1.6418/
DO  - 10.14708/am.v14i1.6418
LA  - pl
ID  - 10_14708_am_v14i1_6418
ER  -