@article{ZNSL_1989_175_a5,
     author = {P. S. Kazimirsky and O. M. Melnik},
     title = {Semilarity and construction of unital matrix quadratic trinomials with pairwise distinct characteristic roots},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {63--68},
     publisher = {mathdoc},
     volume = {175},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_175_a5/}
}