@article{TVIM_2017_2_a1,
     author = {D. A. Zakora},
     title = {On root elements of an operator matrix},
     journal = {Taurida Journal of Computer Science Theory and Mathematics},
     pages = {33--47},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVIM_2017_2_a1/}
}