Ol'shevskii V R

Publications in Math-Net.Ru

1. Change of Jordan structure of $G$-selfadjoint operators and selfadjoinl operator-functions under small perturbatios
   
   Izv. Akad. Nauk SSSR Ser. Mat., 54:5 (1990),  1021–1047
2. A condition for the closeness of the sets of the invariant subspaces of close matrices in terms of their Jordan structures
   
   Sibirsk. Mat. Zh., 30:4 (1989),  102–110
3. Variation of the Jordan structure of $G$-self-adjoint operators and self-adjoint operator functions under small perturbations
   
   Funktsional. Anal. i Prilozhen., 22:3 (1988),  79–80