%0 Journal Article
%A V. F. Butuzov
%T On singularly perturbed systems of~ODE with a~multiple root of~the degenerate equation
%J Izvestiya. Mathematics 
%D 2020
%P 262-290
%V 84
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2020_84_2_a2/
%G en
%F IM2_2020_84_2_a2