@article{DAN_1977_233_5_a13,
     author = {\`E. I. Grigolyuk and A. G. Gorshkov and D. V. Tarlakovskii},
     title = {Nonsteady hydroelastic oscillations of a thick-walled sphere},
     journal = {Doklady Akademii Nauk},
     pages = {812--815},
     publisher = {mathdoc},
     volume = {233},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_5_a13/}
}