@article{ZNSL_1981_111_a7,
     author = {V. N. Kublanovskaya},
     title = {Spectral problem for polynomial matrix pencils.~2},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {109--116},
     year = {1981},
     volume = {111},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_111_a7/}
}