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@article{DAN_1966_170_6_a2, author = {I. A. Zhigulin}, title = {Certain classes of orbits for the group of triangular-unit matrices}, journal = {Doklady Akademii Nauk}, pages = {1247--1250}, publisher = {mathdoc}, volume = {170}, number = {6}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_6_a2/} }
I. A. Zhigulin. Certain classes of orbits for the group of triangular-unit matrices. Doklady Akademii Nauk, Tome 170 (1966) no. 6, pp. 1247-1250. http://geodesic.mathdoc.fr/item/DAN_1966_170_6_a2/