%0 Journal Article
%A M. M. Khapaev
%T A.\,N.~Tikhonov's theorem for singularly perturbed systems
%J Doklady Akademii Nauk
%D 1983
%P 1074-1077
%V 271
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1983_271_5_a11/
%G ru
%F DAN_1983_271_5_a11