@article{DAN_1987_297_6_a8,
     author = {A. V. Nechitailo},
     title = {The origin of vibrations with ``strict'' excitation in a nonlinear},
     journal = {Doklady Akademii Nauk},
     pages = {1322--1325},
     publisher = {mathdoc},
     volume = {297},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_6_a8/}
}