@article{DE_1967_3_9_a2,
     author = {L. V. Khokhlova},
     title = {Bounded and oscillatory solutions of the system $\ddot x+g(x,\,\dot x)=\bar 0$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1437--1449},
     publisher = {mathdoc},
     volume = {3},
     number = {9},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_9_a2/}
}