%0 Journal Article %A V. S. Serebryakova %T Conditions for the existence of circular motions of Froude's connected pendulums %J Differencialʹnye uravneniâ %D 1967 %P 2047-2052 %V 3 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_12_a4/ %G ru %F DE_1967_3_12_a4