@article{DE_1982_18_5_a13,
     author = {A. M. Samoilenko and Yu. V. Teplinskii and N. S. Tsyganovsky},
     title = {Behavior of solutions of a quasilinear system of differential equations with impulses in the neighborhood of an invariant torus},
     journal = {Differencialʹnye uravneni\^a},
     pages = {833--839},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_5_a13/}
}