TY - JOUR AU - I. A. Aleksandrov AU - V. Ya. Gutlyanskii TI - Extremal problems for classes of analytic functions having a structural formula JO - Doklady Akademii Nauk PY - 1965 SP - 983 EP - 986 VL - 165 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_165_5_a0/ LA - ru ID - DAN_1965_165_5_a0 ER -