%0 Journal Article %A A. B. Vasil'eva %T The development of the theory of ordinary differential equations with a~small parameter multiplying the highest derivative during the period 1966--1976 %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1976 %P 109-131 %V 31 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1976_31_6_a6/ %G en %F RM_1976_31_6_a6