@article{RM_1975_30_4_a10,
     author = {V. I. Kabak and A. S. Markus},
     title = {The decomposition of a~polynomial pencil into linear factors},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1975},
     volume = {30},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1975_30_4_a10/}
}