TY  - JOUR
AU  - Ya. I. Al'ber
AU  - A. I. Notik
TI  - Minimization of functionals and the solution of variational
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 521
EP  - 526
VL  - 290
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_290_3_a0/
LA  - ru
ID  - DAN_1986_290_3_a0
ER  -