@article{DAN_1981_258_4_a12,
     author = {V. B. Poruchikov},
     title = {Exact solutions of three-dimensional problems of the diffraction of plane elastic waves by a wedge},
     journal = {Doklady Akademii Nauk},
     pages = {823--826},
     publisher = {mathdoc},
     volume = {258},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_4_a12/}
}