@article{VTGU_2019_59_a0,
     author = {M. N. Zonov and E. A. Timoshenko},
     title = {On the standard form for matrices of order two},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {5--10},
     publisher = {mathdoc},
     number = {59},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2019_59_a0/}
}