@article{DAN_1980_254_5_a8,
     author = {V. S. Kozyakin and M. A. Krasnosel'skii},
     title = {The method of parameter functionalization in the problem of bifurcation points},
     journal = {Doklady Akademii Nauk},
     pages = {1061--1064},
     publisher = {mathdoc},
     volume = {254},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a8/}
}