@article{ZNSL_1968_9_a1,
     author = {G. P. Astrakhantsev},
     title = {Sharply directed propagation of {Love-type} surface waves},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--14},
     publisher = {mathdoc},
     volume = {9},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a1/}
}