TY - JOUR AU - S. Ya. Havinson TI - On some extremal problems of the theory of analytic functions JO - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta PY - 1951 SP - 133 EP - 143 VL - 148 IS - 148 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a9/ LA - ru ID - UZMU_1951_148_148_a9 ER -