@article{ZNSL_1985_148_a5,
     author = {S. A. Vakulenko and I. A. Molotkov},
     title = {Stationary wave baems in strongly nonlinear three-dimensional and inhomogeneous medium},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {52--60},
     publisher = {mathdoc},
     volume = {148},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_148_a5/}
}