@article{DAN_1997_353_5_a0,
     author = {E. V. Aleksandrova},
     title = {A trace formula for the equation of the oscillations of an elastic},
     journal = {Doklady Akademii Nauk},
     pages = {583--586},
     year = {1997},
     volume = {353},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_5_a0/}
}