TY - JOUR AU - O. V. Vasiliev AU - F. M. Kirillova TI - Optimal processes in two-parameter discrete systems JO - Doklady Akademii Nauk PY - 1967 SP - 17 EP - 19 VL - 175 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_175_1_a2/ LA - ru ID - DAN_1967_175_1_a2 ER -