Zhigulin Ivan Andreevich

Publications in Math-Net.Ru

1. Certain classes of orbits for the group of triangular-unit matrices
   
   Dokl. Akad. Nauk SSSR, 170:6 (1966),  1247–1250
2. Certain invariants of the groups of triangular-unit matrices in a space adjoint to the space of its Lie algebra
   
   Dokl. Akad. Nauk SSSR, 164:1 (1965),  32–35