@article{DAN_1966_168_1_a10,
     author = {Sinkha S. R. P.},
     title = {Rigorous theory of steady waves at a free surface and the surface of separation between two liquids},
     journal = {Doklady Akademii Nauk},
     pages = {47--50},
     publisher = {mathdoc},
     volume = {168},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_1_a10/}
}