@article{DAN_1988_302_4_a0,
     author = {N. P. Aleshin and D. V. Kamenskii and V. S. Kamenskii and L. Yu. Mogil'ner},
     title = {Diffraction of an elastic wave by a stress-free disk},
     journal = {Doklady Akademii Nauk},
     pages = {777--780},
     publisher = {mathdoc},
     volume = {302},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_302_4_a0/}
}