@article{ZNSL_1981_111_a14,
     author = {V. B. Khazanov},
     title = {Spectral properties of $\lambda$-matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {180--194},
     publisher = {mathdoc},
     volume = {111},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_111_a14/}
}