TY - JOUR AU - F. A. Medvedev TI - N.\,I.~Pesin, Development of the concept of integral (review) JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1967 VL - 22 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1967_22_5_a20/ LA - ru ID - RM_1967_22_5_a20 ER -