TY - JOUR AU - I. A. Bakhtin TI - On topological methods for investigating of solutions for a~class of non-linear equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1965 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1965_20_3_a21/ LA - ru ID - RM_1965_20_3_a21 ER -