TY - JOUR AU - V. F. Yakovlev TI - Generalized states for systems with variable structure JO - Doklady Akademii Nauk PY - 1991 SP - 60 EP - 61 VL - 318 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a12/ LA - ru ID - DAN_1991_318_1_a12 ER -