@article{DE_1979_15_8_a8,
     author = {A. M. Samoilenko and V. L. Kulik},
     title = {Exponential dichotomy of an invariant torus of dynamical systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1434--1443},
     publisher = {mathdoc},
     volume = {15},
     number = {8},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_8_a8/}
}