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@article{IM2_1973_7_3_a10, author = {A. B. Antonevich}, title = {Elliptic pseudodifferential operators with a~finite group of shifts}, journal = {Izvestiya. Mathematics }, pages = {661--673}, publisher = {mathdoc}, volume = {7}, number = {3}, year = {1973}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a10/} }
A. B. Antonevich. Elliptic pseudodifferential operators with a~finite group of shifts. Izvestiya. Mathematics , Tome 7 (1973) no. 3, pp. 661-673. http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a10/