TY - JOUR AU - S. A. Fedotov TI - Evolution operator and the dynamics of model systems JO - Informatics and Automation PY - 1990 SP - 130 EP - 158 VL - 184 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1990_184_a3/ LA - ru ID - TRSPY_1990_184_a3 ER -