@article{VMUMM_1983_5_a12,
     author = {V. G. Vil'ke},
     title = {Separation of motions and the averaging method in the mechanics of systems with an infinite number of degrees of freedom},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--59},
     publisher = {mathdoc},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1983_5_a12/}
}