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@article{DAN_1971_196_2_a15, author = {M. V. Fedoryuk}, title = {Composition formulas for pseudodifferential operators and the stationary- phase method}, journal = {Doklady Akademii Nauk}, pages = {309--311}, publisher = {mathdoc}, volume = {196}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a15/} }
M. V. Fedoryuk. Composition formulas for pseudodifferential operators and the stationary- phase method. Doklady Akademii Nauk, Tome 196 (1971) no. 2, pp. 309-311. http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a15/