@article{INTO_2018_148_a11,
     author = {M. T. Terekhin},
     title = {Nonzero {Periodic} {Solutions} of a {Special} {System} of {Nonlinear} {Differential} {Equations}},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {93--100},
     publisher = {mathdoc},
     volume = {148},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2018_148_a11/}
}