@article{MZM_1991_49_2_a10,
     author = {I. N. Krupnik},
     title = {Decomposition of a matrix pencil into linear factors},
     journal = {Matemati\v{c}eskie zametki},
     pages = {95--101},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a10/}
}