TY  - JOUR
AU  - Y. Yoshii
TI  - Root Systems Extended by an Abelian Group and their Lie Algebras
JO  - Journal of Lie theory
PY  - 2004
SP  - 371
EP  - 394
VL  - 14
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JLT_2004_14_2_JLT_2004_14_2_a2/
ID  - JLT_2004_14_2_JLT_2004_14_2_a2
ER  -