%0 Journal Article %A Yu. V. Egorov %A M. A. Shubin %T Linear partial differential equations. Elements of the contemporary theory %J Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya %D 1988 %P 5-125 %V 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTF_1988_31_a0/ %G ru %F INTF_1988_31_a0