Head of the
Laboratory
of Representation Theory
and Dynamical Systems,
St.Petersburg
Department of Steklov Institute of Mathematics,
27 Fontanka, St.Petersburg 191023, Russia
Professor of the
Chair
of Mathematical Analysis,
Department of Mathematics and
Mechanics,
St.Petersburg State University
Phone: +7(812) 312-88-29
Fax: +7(812) 310-53-77
E-mail : avershik@gmail.com