@article{ZNSL_2003_297_a13,
     author = {L. A. Molotkov},
     title = {About propagation of seismic waves in block elastic-fluid {media.~I}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {230--253},
     year = {2003},
     volume = {297},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_297_a13/}
}