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@article{PMIHES_1992__76__111_0, author = {Lusztig, George}, title = {Affine quivers and canonical bases}, journal = {Publications Math\'ematiques de l'IH\'ES}, pages = {111--163}, publisher = {Institut des Hautes \'Etudes Scientifiques}, volume = {76}, year = {1992}, mrnumber = {1215594}, zbl = {0776.17013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PMIHES_1992__76__111_0/} }
Lusztig, George. Affine quivers and canonical bases. Publications Mathématiques de l'IHÉS, Tome 76 (1992), pp. 111-163. http://geodesic.mathdoc.fr/item/PMIHES_1992__76__111_0/