Root systems extended by an Abelian group and their Lie algebras.
Yoshii, Yoji
Journal of Lie Theory, Tome 14 (2004), p. 371-394 / Harvested from The Electronic Library of Mathematics
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Publié le : 2004-01-01
EUDML-ID : urn:eudml:doc:125971 
@article{02124385,
     title = {Root systems extended by an Abelian group and their Lie algebras.},
     journal = {Journal of Lie Theory},
     volume = {14},
     year = {2004},
     pages = {371-394},
     zbl = {1087.17008},
     language = {en},
     url = {http://dml.mathdoc.fr/item/02124385}
}

Yoshii, Yoji. Root systems extended by an Abelian group and their Lie algebras.. Journal of Lie Theory, Tome 14 (2004) pp. 371-394. http://gdmltest.u-ga.fr/item/02124385/