@article{RM_1991_46_2_a13,
     author = {O. V. Viskov},
     title = {On the ordered form of a~non-commutative binomial},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {258--259},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1991_46_2_a13/}
}