TY  - JOUR
AU  - Eduard Looijenga
TI  - Invariant Theory for Generalized Root Systems.
JO  - Inventiones mathematicae
PY  - 1980
SP  - 1
EP  - 32
VL  - 61
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1980__61_142750/
ID  - IM_1980__61_142750
ER  -