@article{RM_1970_25_1_a5,
     author = {V. Sh. Burd and Yu. S. Kolesov and M. A. Krasnosel'skii},
     title = {The bifurcation of the almost periodic solutions of singularly perturbed differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1970},
     volume = {25},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1970_25_1_a5/}
}