TY - JOUR AU - Kazuya Kato AU - Takeshi Saito TI - Ramification theory for varieties over a perfect field JO - Annals of mathematics PY - 2008 SP - 33 EP - 96 VL - 168 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2008.168.33/ DO - 10.4007/annals.2008.168.33 LA - en ID - 10_4007_annals_2008_168_33 ER -