@article{DAN_1975_221_1_a8,
     author = {A. G. Sveshnikov and Yu. A. Eremin},
     title = {The projection method in exterior diffraction problems},
     journal = {Doklady Akademii Nauk},
     pages = {38--41},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a8/}
}