TY - JOUR AU - Lubkin, Saul TI - Generalization of $p$-adic cohomology ; bounded Witt vectors. A canonical lifting of a variety in characteristic $p \ne 0$ back to characteristic zero JO - Compositio Mathematica PY - 1977 SP - 225 EP - 277 VL - 34 IS - 3 PB - Noordhoff International Publishing UR - http://www.numdam.org/item/CM_1977__34_3_225_0/ LA - en ID - CM_1977__34_3_225_0 ER -