@article{ZNSL_2004_308_a8,
     author = {L. A. Molotkov},
     title = {About propagation of seismic waves in block elastic-fluid {media.~III}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {147--160},
     year = {2004},
     volume = {308},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_308_a8/}
}