@article{PFMT_2012_1_a15,
     author = {S. V. Mayorauskaya},
     title = {Reflecting function and solution-periodicity of an nonautonomous cubic system},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {92--93},
     publisher = {mathdoc},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2012_1_a15/}
}