TY  - JOUR
AU  - N. S. Kukushkin
TI  - A new sufficient condition for the existence of equilibrium in the
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 674
EP  - 676
VL  - 331
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_331_6_a5/
LA  - ru
ID  - DAN_1993_331_6_a5
ER  -