TY - JOUR AU - G. A. Stepanyantz TI - Certain aspects of the qualitative theory of stationary discrete systems JO - Doklady Akademii Nauk PY - 1974 SP - 561 EP - 564 VL - 219 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_219_3_a12/ LA - ru ID - DAN_1974_219_3_a12 ER -