@article{DAN_1988_303_2_a14,
     author = {V. R. Orel},
     title = {Determination of free oscillations of an elastic plate by means of},
     journal = {Doklady Akademii Nauk},
     pages = {326--329},
     publisher = {mathdoc},
     volume = {303},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_2_a14/}
}