@article{DAN_1984_279_3_a5, author = {F. G. Maksudov and I. A. Aliev}, title = {Smoothness properties of the symbol of a multidimensional singular}, journal = {Doklady Akademii Nauk}, pages = {539--541}, publisher = {mathdoc}, volume = {279}, number = {3}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_279_3_a5/} }