@article{ZVMMF_1966_6_6_a18,
     author = {L. D. Akulenko},
     title = {Resonance in nonlinear systems with one degree of freedom},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1115--1119},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_6_a18/}
}