TY  - JOUR
AU  - G. A. Seregin
TI  - On the differentiability of extremals of variational problems of the mechanics of ideally elastoplastic media
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1981
EP  - 1991
VL  - 23
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_11_a16/
LA  - ru
ID  - DE_1987_23_11_a16
ER  -