@article{ZNSL_1994_218_a4,
     author = {S. A. Kochengin},
     title = {A point source of $SH$ waves in the medium with a~vertical boundary in the case of smooth increasing velocity of wave's propagation with the depth},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {44--55},
     publisher = {mathdoc},
     volume = {218},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_218_a4/}
}