1. Methods of abstract harmonic analysis in the theory of perturbations of linear operators;Baskakov;Sibirsk. Mat. Zh.,1983
2. The averaging method in the theory of perturbations of linear differential operators;Baskakov;Differ. Uravn.,1985
3. A theorem on splitting of an operator and some related problems in the analytic theory of perturbations;Baskakov;Izv. Akad. Nauk SSSR Ser. Mat.,1986
4. Spectral analysis of perturbed non-quasi-analytic and spectral operators;Baskakov;Izv. Ross. Akad. Nauk Ser. Mat.,1994
5. An abstract analogue of the Krylov-Bogolyubov transformation in the theory of perturbed linear operators;Baskakov;Funktsional. Anal. i Prilozhen.,1999