TY - JOUR AU - L. D. Kudryavtsev TI - On the works of S. M. Nikol'skij in the theory of differentiable functions of several variables JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1987 SP - 12 EP - 22 VL - 180 UR - http://geodesic.mathdoc.fr/item/TM_1987_180_a1/ LA - ru ID - TM_1987_180_a1 ER -