%0 Journal Article %A Yu. V. Egorov %A M. A. Shubin %T Linear partial differential equations. Foundations of the classical theory %J Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya %D 1988 %P 5-255 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTF_1988_30_a0/ %G ru %F INTF_1988_30_a0