%0 Journal Article
%A V. B. Lidskii
%A P. A. Frolov
%T The topological structure of stability-regions of a self-adjoint system of differential equations with periodic coefficients
%J Doklady Akademii Nauk
%D 1965
%P 764-766
%V 161
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a6/
%G ru
%F DAN_1965_161_4_a6