TY  - JOUR
AU  - E. B. Pekar
TI  - Relationship between convexity and smoothness in problems of variational calculus
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1985
SP  - 9
EP  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1985_2_a2/
LA  - ru
ID  - VMUMM_1985_2_a2
ER  -