B -stability of the maximal term of the Hadamard composition of two Dirichlet series. Gajsin, A.M.; Belous, T.I. — 2002 Sibirskij Matematicheskij Zhurnal
Estimation over curves of the functions given by Dirichlet series on a half-plane. Gajsin, A.M.; Belous, T.I. — 2003 Sibirskij Matematicheskij Zhurnal