@article{ZVMMF_1984_24_1_a8,
     author = {N. D. Kopachevskii and A. N. Temnov},
     title = {Free oscillations of an ideal stratified fluid in a vessel},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {109--123},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1984_24_1_a8/}
}