TY - JOUR AU - A. G. Butkovskiy TI - Application of certain results from number theory to the finite control and controllability problem in distributed systems JO - Doklady Akademii Nauk PY - 1976 SP - 309 EP - 311 VL - 227 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_227_2_a12/ LA - ru ID - DAN_1976_227_2_a12 ER -