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@article{DAN_1984_278_5_a15, author = {B. P. Belinskii}, title = {The {Fredholm} property for boundary-contact problems of acoustics}, journal = {Doklady Akademii Nauk}, pages = {1090--1094}, publisher = {mathdoc}, volume = {278}, number = {5}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_5_a15/} }
B. P. Belinskii. The Fredholm property for boundary-contact problems of acoustics. Doklady Akademii Nauk, Tome 278 (1984) no. 5, pp. 1090-1094. http://geodesic.mathdoc.fr/item/DAN_1984_278_5_a15/