TY - JOUR AU - O. A. Oleinik AU - K. A. Rybnikov TI - The Second Congress of Mathematicians in Hungary JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1961 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1961_16_1_a25/ LA - ru ID - RM_1961_16_1_a25 ER -