@article{DAN_1997_353_2_a10,
     author = {V. I. Bukreev},
     title = {Free submergence of a sphere in two-layer fluid},
     journal = {Doklady Akademii Nauk},
     pages = {187--189},
     publisher = {mathdoc},
     volume = {353},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_2_a10/}
}