@article{IVM_2006_4_a6,
     author = {V. N. Shevchenko and S. V. Sidorov},
     title = {On the similarity of second-order matrices over the ring of integers},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {57--64},
     publisher = {mathdoc},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2006_4_a6/}
}