E-print: http://arxiv.org/abs/cond-mat/9509095
E-print: https://hal.archives-ouvertes.fr/jpa-00246951/document
E-print: http://arxiv.org/abs/cond-mat/9607120
E-print: http://arxiv.org/abs/cond-mat/9705087
E-print: http://arxiv.org/abs/cond-mat/9707047
E-print: http://arxiv.org/abs/cond-mat/97101977
E-print: http://arxiv.org/abs/cond-mat/9712164
E-print: http://arxiv.org/abs/cond-mat/9712318
E-print: http://arxiv.org/abs/cond-mat/9801209
E-print: http://arxiv.org/abs/cond-mat/9801279
E-print: http://arxiv.org/abs/cond-mat/9808206
E-print: http://arxiv.org/abs/cond-mat/9810255
Published in: International Journal of Theoretical and Applied Finance - Volume 03, Issue 03, July 2000
E-print: http://arxiv.org/abs/cond-mat/9906347
E-print: http://arxiv.org/abs/cond-mat/9907297