@article{PMIHES_1964__23__5_0,
     author = {Jaap P. Murre},
     title = {On contravariant functors from the category of preschemes over a field into the category of abelian groups},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--43},
     year = {1964},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {23},
     doi = {10.1007/BF02684309},
     mrnumber = {206011},
     zbl = {0142.18402},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02684309/}
}