@article{ZNSL_1997_243_a4,
     author = {I. V. Denisova},
     title = {Problem on the motion of two compressible fluids separated by a~closed free interface},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {61--86},
     year = {1997},
     volume = {243},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_243_a4/}
}