TY - JOUR AU - V. I. Averbukh AU - O. G. Smolyanov TI - The various definitions of the derivative in linear topological spaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1968 SP - 67 EP - 113 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1968_23_4_a1/ LA - en ID - RM_1968_23_4_a1 ER -