arXiv.org, Moderator of the Complex Variables category since 1998; previously
(1993–1997) managing editor of the Electronic Several Complex Variables
Library, which merged into the arXiv.
Zentralblatt für Mathematik und ihre Grenzgebiete (= zbMATH online),
reviewer since 1989; published more than 200 short reviews.
Mathematical Reviews (= MathSciNet
online), reviewer since 1978; published more than 550 short reviews.
Russian Translation Project of the American Mathematical Society, participant
1978–1995; published English translations of 84 Russian research articles.
Soviet Encyclopædia of Mathematics (Kluwer Academic Publishers), member
of the scientific board for the English translation, 1987–1991.