TY - JOUR AU - Yu. I. Zhuravlev TI - Mathematical methods of controlling abstract transformations JO - Doklady Akademii Nauk PY - 1958 SP - 227 EP - 230 VL - 123 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_123_2_a3/ LA - ru ID - DAN_1958_123_2_a3 ER -