@article{DE_1967_3_3_a1,
     author = {E. A. Barbashin and V. A. Tabueva},
     title = {On a class of motions of a pendulum in a medium with large resistance},
     journal = {Differencialʹnye uravneni\^a},
     pages = {371--379},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_3_a1/}
}