TY - JOUR AU - O. V. Vasiliev TI - Optimality of singular boundary controls in systems with distributed parameters JO - Diskretnyj analiz i issledovanie operacij PY - 1979 SP - 4 EP - 13 IS - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DA_1979_18_a0/ LA - ru ID - DA_1979_18_a0 ER -