References

CM80

H. Coxeter and W. Moser. Relations and Generators for Discrete Groups. Springer-Verlag, New York, 1980.

F+90

Foley et al. Computer Graphics: Principles and Practice. Addison-Wesley, 1990.

GR93

G. González, V. Riera and R. Rodríguez. On Riemann matrices and uniformizations of Riemann surfaces with automorphisms. to appear in Complex Geometry Seminar, Vol. III, 1993.

KR78

B. Kernigham and D. Ritchie. The C Programming Language. Prentice-Hall, 1978.