题目：Sub-fractional Model for Credit Risk Pricing
作者：Liu, J.;Li, L.;Yan, L.
来源“Citation Information. International Journal of Nonlinear Sciences and Numerical Simulation. Volume 11, Issue 4, Pages 231–236, ISSN (Online) 2191-0294, ISSN (Print) 1565-1339, DOI: 10.1515/IJNSNS.2010.11.4.231