Kuznetsova Maria A. Russia Saratov State University, Russia, Saratov, Astrakhanskaya 83 maffka2@bk.ru Author's articles Generalized Absolute Convergence of Series with Respect to Multiplicative Systems of Functions of Generalized Bounded Variation Asymptotic Formulae for Weight Numbers of the Sturm – Liouville Boundary Problem on a Star-shaped Graph