@article{DAN_1976_230_1_a11,
     author = {A. I. Kobrin and Yu. G. Martynenko},
     title = {Application of the theory of singularly perturbed equations to the study of gyroscopic systems},
     journal = {Doklady Akademii Nauk},
     pages = {52--55},
     year = {1976},
     volume = {230},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_1_a11/}
}