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@article{DE_1973_9_5_a12, author = {A. A. Kuleshov}, title = {Pseudodifferential operators in $R^n${.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {890--900}, publisher = {mathdoc}, volume = {9}, number = {5}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_5_a12/} }
A. A. Kuleshov. Pseudodifferential operators in $R^n$.~I. Differencialʹnye uravneniâ, Tome 9 (1973) no. 5, pp. 890-900. http://geodesic.mathdoc.fr/item/DE_1973_9_5_a12/