%0 Journal Article
%A S. G. Krein
%A Yu. B. Savchenko
%T Exponential dichotomy for partial differential equations
%J Differencialʹnye uravneniâ
%D 1972
%P 835-844
%V 8
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_5_a12/
%G ru
%F DE_1972_8_5_a12