TY - JOUR AU - I. M. Mel'nik TI - Branch point indices of a multiple-valued function JO - Doklady Akademii Nauk PY - 1960 SP - 521 EP - 524 VL - 134 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_134_3_a5/ LA - ru ID - DAN_1960_134_3_a5 ER -