TY - JOUR TI - The Physical and Mathematical Institute of the Academy of Sciences of Moldavian~SSR JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1963 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1963_18_1_a25/ LA - ru ID - RM_1963_18_1_a25 ER -