1. [B] Bary, N.K.: A treatise on trigonometric series. London: Macmillan 1964
2. [Fr] Franel, J.: Les suites de Farey et les problèmes des nombres premiers. Nachr. Ges. Wiss Göttingen, Math.-phys. Kl., 198?201 (1924)
3. [Fu1] Fujii, A.: A remark on the Riemann hypothesis: Comment. Math. Univ. S. Pauli29, 195?201 (1980)
4. [Fu2] Fujii, A.: Some explicit formulae in the theory of numbers: Proc. Jap. Acad. Ser. A57, 326?330 (1981)
5. [H-W] Hardy, G.H., Wright E.M.: An introduction to the theory of numbers. Oxford: Oxford University Press 1971