TY - JOUR AU - V. N. Dubinin TI - Coverings of vertical segments under a conformal mapping JO - Matematičeskie zametki PY - 1980 SP - 25 EP - 32 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_28_1_a2/ LA - ru ID - MZM_1980_28_1_a2 ER -