@article{ZNSL_1976_62_a12,
     author = {L. A. Molotkov},
     title = {Coefficients of reflection and refraction in the case of elastic-fluid systems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {154--167},
     publisher = {mathdoc},
     volume = {62},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a12/}
}