Oleg Igorevich Marichev (Russian: Олег Игоревич Маричев; born 7 September 1945 in Velikiye Luki, Russia) is a Russian mathematician.
He graduated from the University of Belarus, where he continued to study for the Ph.D. degree.
[1] He is the co-author of a comprehensive five volume series of Integrals and Series (Gordon and Breach Science Publishers, 1986–1992) together with Yury Brychkov and A. P. Prudnikov.
degree (Habilitation) in mathematics from the University of Jena, Germany.
In 1992, Marichev started working with Stephen Wolfram on Mathematica.