TY - JOUR AU - I. A. Zhigulin TI - Certain invariants of the groups of triangular-unit matrices in a space adjoint to the space of its Lie algebra JO - Doklady Akademii Nauk PY - 1965 SP - 32 EP - 35 VL - 164 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_164_1_a6/ LA - ru ID - DAN_1965_164_1_a6 ER -