@article{DE_1967_3_12_a4,
     author = {V. S. Serebryakova},
     title = {Conditions for the existence of circular motions of {Froude's} connected pendulums},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2047--2052},
     publisher = {mathdoc},
     volume = {3},
     number = {12},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_12_a4/}
}