Oleg Igorewitsch Marichev (Russian: Олег Игоревич Маричев; born 7 September 1945 in Velikiye Luki, Russia) is a Russian mathematician. In 1949 he moved to Minsk with his parents. He graduated from the University of Belarus, where he continued to study for Ph.D. degree. His scientific supervisor was Fedor Gakhov. He is the co-author of a comprehensive table of integrals. Around 1990 he got his Ph.D. degree in mathematics from University of Jena, Germany. In 1992, Marichev started working with Stephen Wolfram on Mathematica. His wife Anna helps him in his job.
O.I. Marichev. Handbook of integral transforms of higher transcendental functions: theory and algorithmic tables. Translated from the Russian by L.W. Longdon. Ellis Horwood Series in Mathematics and its Applications. Chichester: Ellis Horwood, 1983, 336 p.