@article{GDZPPN002107759,
title = {Hall algebras and quantum groups.},
journal = {Inventiones mathematicae},
volume = {100},
year = {1990},
pages = {583-592},
zbl = {0735.16009},
url = {http://dml.mathdoc.fr/item/GDZPPN002107759}
}
Ringel, Claus Michael. Hall algebras and quantum groups.. Inventiones mathematicae, Tome 100 (1990) pp. 583-592. http://gdmltest.u-ga.fr/item/GDZPPN002107759/