TY - JOUR AU - A. B. Vasil'eva TI - The development of the theory of ordinary differential equations with a~small parameter multiplying the highest derivative during the period 1966--1976 JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1976 SP - 109 EP - 131 VL - 31 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1976_31_6_a6/ LA - en ID - RM_1976_31_6_a6 ER -