%0 Journal Article %A Nguyen Minh Chuong %T Parabolic pseudodifferential operators of variable order %J Doklady Akademii Nauk %D 1981 %P 1308-1312 %V 258 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_6_a5/ %G ru %F DAN_1981_258_6_a5