TY - JOUR AU - B. I. Stepanov TI - Stability of stationary states of quantum generators JO - Doklady Akademii Nauk PY - 1963 SP - 74 EP - 77 VL - 148 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_148_1_a18/ LA - ru ID - DAN_1963_148_1_a18 ER -