Pupkov Valentin Alekseevich

Publications in Math-Net.Ru

1. Some sufficient conditions for the nondegeneracy of matrices
   
   Zh. Vychisl. Mat. Mat. Fiz., 24:11 (1984),  1733–1737
2. On an isolated eigenvalue of a matrix and the structure of the corresponding eigenvector
   
   Zh. Vychisl. Mat. Mat. Fiz., 23:6 (1983),  1304–1313