@article{DAN_1994_334_5_a7,
     author = {V. F. Kambulov},
     title = {Resonance as a source of relaxation oscillations in systems of},
     journal = {Doklady Akademii Nauk},
     pages = {569--570},
     year = {1994},
     volume = {334},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_334_5_a7/}
}