%0 Journal Article
%A A. K. Zvonkin
%A M. A. Shubin
%T Non-standard analysis and singular perturbations of~ordinary differential equations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1984
%P 69-131
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1984_39_2_a1/
%G en
%F RM_1984_39_2_a1