This and the next volume in the series (see ""TRANS2/219"") consist of articles written on the occasion of the 60th birthday anniversary of the well-known St. Petersburg specialist in number theory Sergey Vostokov. Among the authors are many students and colleagues of Vostokov. The articles are devoted to topics in number theory that are close to Vostokov's scientific interests. The book is suitable for graduate students and researchers interested in number theory.