@article{DE_1999_35_7_a6,
     author = {S. I. Gaiduk},
     title = {The problem of vibrations of a rectangular membrane under mechanical impact at one point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {918--925},
     publisher = {mathdoc},
     volume = {35},
     number = {7},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_7_a6/}
}