%0 Journal Article %A Nguyen Minh Chuong %T On the theory of parabolic pseudodifferential operators of variable order %J Differencialʹnye uravneniâ %D 1985 %P 686-694 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_4_a15/ %G ru %F DE_1985_21_4_a15