Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1985_21_4_a15, author = {Nguyen Minh Chuong}, title = {On the theory of parabolic pseudodifferential operators of variable order}, journal = {Differencialʹnye uravneni\^a}, pages = {686--694}, publisher = {mathdoc}, volume = {21}, number = {4}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_4_a15/} }
Nguyen Minh Chuong. On the theory of parabolic pseudodifferential operators of variable order. Differencialʹnye uravneniâ, Tome 21 (1985) no. 4, pp. 686-694. http://geodesic.mathdoc.fr/item/DE_1985_21_4_a15/