%0 Journal Article %A J. D. Kaplunov %A L. A. Prikazchikova %T Low-frequency vibration modes of strongly %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2018 %P 447-457 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a7/ %G en %F ISU_2018_18_4_a7