@article{SM_2001_192_6_a0,
     author = {A. \`E. Guterman},
     title = {Identities of nearly triangular matrices},
     journal = {Sbornik. Mathematics},
     pages = {795--806},
     publisher = {mathdoc},
     volume = {192},
     number = {6},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2001_192_6_a0/}
}