TY - JOUR AU - Murre, Jaap P. TI - On contravariant functors from the category of preschemes over a field into the category of abelian groups JO - Publications Mathématiques de l'IHÉS PY - 1964 SP - 5 EP - 43 VL - 23 PB - Institut des Hautes Études Scientifiques UR - http://archive.numdam.org/item/PMIHES_1964__23__5_0/ LA - en ID - PMIHES_1964__23__5_0 ER -