@article{DE_1988_24_5_a11,
     author = {Sh. Bouzar and A. A. Kuleshov},
     title = {Local solvability of pseudodifferential equations of constant strength. {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {831--837},
     publisher = {mathdoc},
     volume = {24},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_5_a11/}
}