A PICTURE OF KLEINIAN MODULAR GROUP |
KIM, HONG-CHAN (Department of Mathematics Education Korea University) |
1 | D. Farmer, Groups and Symmetry. A guide to discovering mathematics, Amer. Math. Soc., 1996 |
2 | N. Jacobson, Basic Algebra II. Second edition, W. H. Freeman and Company, 1989 |
3 | J. P. Serre, A Course in Arithmetic, Graduate Texts in Mathematics, no. 7, Springer-Verlag, 1973 |
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