References
- Azam , s. Extended affine Weyl groups . Submitted ,
- Allison , B. , Azam , S. , Berman , S. , Gao , Y. and Pianzola , A. Extended affine Lie alge¬bras and their root systems . Mem. Amer. Math. Soc ,
- Bourbaki , N. 1968 . Groupes et algebres de Lie . Chap. IV, V, VI. Hermann ,
- R , H0egh-Krohn and Torresani , B. 1990 . Classification and construction of quasi-simple Lie algebras . J. Funct. Anal , 89 : 106 – 136 .
- Kac , V. 1990 . Infinite dimensional Lie algebras, third edition , Cambridge : Cambridge University Press .
- MacDonald , I.G. 1972 . Affine root systems and Dedekind's 77-function . Inventiones Math , 15 : 91 – 43 .
- Saito , K. 1985 . Extended affine root systems 1 (Coxeter transformations) . RIMS., Kyoto Univ , 21 : 75 – 719 .