TY - JOUR AU - E. P. Aksent'eva TI - On the question of the existence of univalent halves of symmetric Riemann surfaces JO - Trudy seminara po kraevym zadačam PY - 1976 SP - 49 EP - 55 VL - 13 IS - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a5/ LA - ru ID - KUKZ_1976_13_13_a5 ER -