TY - JOUR AU - A. A. Martynyuk TI - A theorem on polystability JO - Doklady Akademii Nauk PY - 1991 SP - 808 EP - 811 VL - 318 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a8/ LA - ru ID - DAN_1991_318_4_a8 ER -