@article{ZNSL_1981_104_a20,
     author = {N. V. Zepelev},
     title = {Interference $SH$ waves in transversely isotropic inhomogeneous half space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {228--234},
     publisher = {mathdoc},
     volume = {104},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a20/}
}