TY - JOUR AU - T. A. Sarymsakov TI - Short proof of a theorem of A. N. Tihonov JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1965 VL - 20 IS - 4 UR - http://geodesic.mathdoc.fr/item/RM_1965_20_4_a14/ LA - ru ID - RM_1965_20_4_a14 ER -