@article{DAN_1971_199_2_a9,
     author = {K. K. Glukharev and K. V. Frolov},
     title = {Theory of vibrations of mechanical systems of limited excitation},
     journal = {Doklady Akademii Nauk},
     pages = {285--288},
     publisher = {mathdoc},
     volume = {199},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_2_a9/}
}