@article{RM_1994_49_5_a6,
     author = {A. M. Samoilenko},
     title = {N.\,N.~Bogolyubov and non-linear mechanics},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {109--154},
     publisher = {mathdoc},
     volume = {49},
     number = {5},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1994_49_5_a6/}
}