Sergey P. Sidorov
Doctor of Physical and Mathematical Sciences,
Associate Professor, Head of the Department of Function Theory and Stochastic Analysis,
Saratov National Research State University named after N. G. Chernyshevsky,
83 Astrakhanskaya St., Saratov, 410012, Russia
Saratov National Research State University named after N. G. Chernyshevsky
