%0 Journal Article %A V. B. Lidskii %A A. G. Aslanyan %T A formula for the number of frequencies of axisymmetric vibrations of a shell of revolution %J Doklady Akademii Nauk %D 1975 %P 790-792 %V 222 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_222_4_a8/ %G ru %F DAN_1975_222_4_a8