TY - JOUR AU - S. N. Slugin AU - V. M. Shashkov TI - Solvability of an extremal problem in a~case of infinite systems of weak* closed operations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1973 SP - 79 EP - 83 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1973_8_a9/ LA - ru ID - IVM_1973_8_a9 ER -