@article{DAN_1971_201_2_a10,
     author = {A. G. Aslanyan and V. B. Lidskii},
     title = {Spectral properties of a system describing natural oscillations of a shell of revolution},
     journal = {Doklady Akademii Nauk},
     pages = {300--303},
     publisher = {mathdoc},
     volume = {201},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_2_a10/}
}