@article{GDZPPN002178559,
title = {On the congruence properties of the zeta function of algebraic varieties.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {203},
year = {1960},
pages = {130-142},
zbl = {0119.36804},
url = {http://dml.mathdoc.fr/item/GDZPPN002178559}
}
Dwork, Bernard M. On the congruence properties of the zeta function of algebraic varieties.. Journal für die reine und angewandte Mathematik, Tome 203 (1960) pp. 130-142. http://gdmltest.u-ga.fr/item/GDZPPN002178559/