1. G. E. Andrews, A note on the Bombieri-Selberg formula for algebraic curves, Portugaliae Math. 27 (1968), 75–81.
2. Studies in Numbers Theory;PT Bateman,1969
3. E. Bombieri, Sull’analogo della formula di Selberg nei corpi di funzioni, Atti Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur. (8) 35 (1963), 252–257.
4. S. D. Cohen, The function field abstract prime number theorem, Math. Proc. Camb. Phil. Soc. (7) 106 (1989), 7–12.
5. H. G. Diamond, Chebyshev estimates for Beurling generalized prime numbers, Proc. Amer. Math. Soc. 39 (1973), 503–508.