%0 Journal Article
%A L. Gårding
%T Some trends and problems in linear partial differential equations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1960
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1960_15_1_a2/
%G ru
%F RM_1960_15_1_a2