Extended Affine Root Systems II (Flat Invariants)
Kyoji Saito
Kyoto University, Japan

Cite this article
Kyoji Saito, Extended Affine Root Systems II (Flat Invariants). Publ. Res. Inst. Math. Sci. 26 (1990), no. 1, pp. 15–78
DOI 10.2977/PRIMS/1195171662