@article{DE_1974_10_5_a11,
     author = {G. Ya. Shafranov},
     title = {Generation of periodic motions from an equilibrium state with purely imaginary roots},
     journal = {Differencialʹnye uravneni\^a},
     pages = {860--872},
     publisher = {mathdoc},
     volume = {10},
     number = {5},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_5_a11/}
}