@article{DAN_1987_293_2_a13,
     author = {O. A. Godin},
     title = {Reciprocity relations for waves in a compressible fluid},
     journal = {Doklady Akademii Nauk},
     pages = {322--325},
     year = {1987},
     volume = {293},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a13/}
}