@article{ZNSL_1974_42_a10,
     author = {L. A. Molotkov},
     title = {On the {Dispfrlsion} {Equations} of {Vertically} {Inhomogenous} {Elastic}  and {Liquid} {Media}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {189--211},
     publisher = {mathdoc},
     volume = {42},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_42_a10/}
}