TY  - JOUR
AU  - N. A. Bogatyreva
AU  - E. S. Pyatnitskii
TI  - The minimax principle of mechanics and its application to optimal
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 533
EP  - 537
VL  - 304
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_304_3_a3/
LA  - ru
ID  - DAN_1989_304_3_a3
ER  -