In 1959 Kostrikin achieved important results on Burnside's problem adn a year later, in 1960, he earned Doctor of Sciences degree and since 1963 worked at the faculty (professor since 1976).
A year later he earned Doctor of Sciences degree and since 1963 worked at the faculty (professor since 1976). In 1959 Kostrikin achieved important results on Burnside's problem.
In 1959 Kostrikin achieved important results on Burnside's problem. A year later he earned Doctor of Sciences degree and since 1963 worked at the faculty (professor since 1976).
In 1959 Kostrikin achieved important results on Burnside's problem. A year later he earned Doctor of Sciences degree and since 1963 worked at the faculty (professor since 1976).