On the Error Term in the Mean Square Formula for the Riemann Zeta-Function in the Critical Strip. Aleksandar Ivic; K. Matsumoto — 1996 Monatshefte für Mathematik
Explicit Formulas and Asymptotic Expansions for Certain Mean Square of Hurwitz Zeta-Functions. M. Katsurada; K. Matsumoto — 1996 Mathematica Scandinavica
Complex hypersurfaces of a generalized Hopf manifold. Ianus, S.; Matsumoto, K.; Ornea, L. — 1987 Publications de l'Institut Mathématique. Nouvelle Série