@article{DAN_1976_226_2_a14,
     author = {A. G. Vinogradov and R. Z. Muratov},
     title = {Integral equations of the acoustics of inhomogenous ideal fluid},
     journal = {Doklady Akademii Nauk},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {226},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_2_a14/}
}