@article{DE_1967_3_12_a2,
     author = {V. A. Tabueva},
     title = {Oscillations of a pendulum with relay control},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2030--2036},
     publisher = {mathdoc},
     volume = {3},
     number = {12},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_12_a2/}
}