Anatoly Styopin

Anatoly Stepin (left) and Dmitri Anosov, Warsaw 1977

Anatoly Mikhailovich Styopin (‹See Tfd›Russian: Анатолий Михайлович Стёпин (may be transliterated as Stepin), 20 July 1940 – 7 November 2020) was a Soviet-Russian mathematician, specializing in dynamical systems and ergodic theory.