%0 Journal Article %A D. Kh. Safarov %T Elliptic regularization of systems of partial differential %J Doklady Akademii Nauk %D 1990 %P 36-39 %V 311 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_311_1_a6/ %G ru %F DAN_1990_311_1_a6