@article{ZNSL_1990_186_a15,
     author = {N. S. Smirnova},
     title = {One method of computation of wave fields in layered elastic media},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {154--171},
     publisher = {mathdoc},
     volume = {186},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a15/}
}