%0 Journal Article %A A. G. Aslanyan %A V. B. Lidskii %T An oscillation theorem in the theory of vibrations of thin shells of revolution %J Doklady Akademii Nauk %D 1971 %P 1040-1042 %V 196 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_5_a11/ %G ru %F DAN_1971_196_5_a11