TY  - JOUR
AU  - Yoshihiro Koya
TI  - A generalization of class formation by using hypercohomology.
JO  - Inventiones mathematicae
PY  - 1990
SP  - 705
EP  - 716
VL  - 101
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1990__101_2_143823/
ID  - IM_1990__101_2_143823
ER  -