@article{VTGU_2020_67_a4,
     author = {T. D. Norbosambuev and E. A. Timoshenko},
     title = {On a class of 3-good formal matrix rings},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {55--62},
     publisher = {mathdoc},
     number = {67},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2020_67_a4/}
}