%0 Journal Article %A V. I. Voytitsky %A N. D. Kopachevsky %T On small oscillations of three joined pendulums with cavities filled with homogeneous ideal fluids %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2020 %P 260-299 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2020_17_a83/ %G ru %F SEMR_2020_17_a83