TY - JOUR AU - A. V. Kibenko AU - A. I. Perov TI - Second Voronezh Winter Mathematical School JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1968 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1968_23_4_a16/ LA - ru ID - RM_1968_23_4_a16 ER -