@article{IVM_2011_11_a2,
     author = {S. G. Kolesnikov and N. V. Mal'tsev},
     title = {Derivations of a~matrix ring containing a~subring of triangular matrices},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {23--33},
     publisher = {mathdoc},
     number = {11},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2011_11_a2/}
}