@article{CM_1975__31_2_119_0,
     author = {Koblitz, Neal},
     title = {$p$-adic variation of the zeta-function over families of varieties defined over finite fields},
     journal = {Compositio Mathematica},
     pages = {119--218},
     publisher = {Noordhoff International Publishing},
     volume = {31},
     number = {2},
     year = {1975},
     mrnumber = {414557},
     zbl = {0332.14008},
     language = {en},
     url = {http://www.numdam.org/item/CM_1975__31_2_119_0/}
}