TY - JOUR AU - A. F. Lapko TI - Twenty-fifth Scientific and Technical Conference of Kuibyshev Moscow Engineering Building Institute JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1966 VL - 21 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1966_21_5_a23/ LA - ru ID - RM_1966_21_5_a23 ER -