1974 — PhD (differential equation)
Thesis title: Phase diagrams for rough 3-dimentional systems of differential equations.
Thesis advisor: V.Pliss
1983 — Doctor of Science (Differential equation and mathematical physics)
Thesis title: Structure of attracting sets for hyperbolic system of differential equations.
1970 — Specialist degree in Mathematics
Place of the defense: Leningrad State University
Published more than 180 research works, including 6 monographs.