@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/}
}