%0 Journal Article
%A I. E. Vitrichenko
%T On the stability in the critical case of a zero root and of a pair of purely imaginary roots of a nonautonomous $n$th order quasilinear equation
%J Differencialʹnye uravneniâ
%D 1990
%P 2027-2046
%V 26
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_12_a0/
%G ru
%F DE_1990_26_12_a0