TY - JOUR AU - L. I. Volkovyskii TI - Investigation of the type problem for a simply connected Riemann surface JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1950 SP - 3 EP - 171 VL - 34 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1950_34_a0/ LA - ru ID - TM_1950_34_a0 ER -