@article{SJVM_2007_10_4_a2,
     author = {Yu. I. Kuznetsov},
     title = {A~nonlinear oscillation model with separation of variables},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {349--360},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2007_10_4_a2/}
}