%0 Journal Article
%A A. B. Vasil'eva
%T Singularly perturbed systems containing indeterminacy in the case of degeneracy
%J Doklady Akademii Nauk
%D 1975
%P 19-22
%V 224
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_224_1_a2/
%G ru
%F DAN_1975_224_1_a2