%0 Journal Article %A P. Cartier %T Singular perturbations of ordinary differential equations and nonstandard analysis %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %V 39 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1984_39_2_a46/ %G ru %F RM_1984_39_2_a46