@article{GDZPPN002542900, title = {Chebyshev type estimates in prime number theory.}, journal = {Seminaire de Th\'eorie des Nombres de Bordeaux}, volume = {3}, year = {1973}, pages = {1-11}, url = {http://dml.mathdoc.fr/item/GDZPPN002542900} }
DIAMOND, Harold. Chebyshev type estimates in prime number theory.. Seminaire de Théorie des Nombres de Bordeaux, Tome 3 (1973) pp. 1-11. http://gdmltest.u-ga.fr/item/GDZPPN002542900/