Hyong-Chol O, Yong-Gon Kim, and Dong-Hyok Kim. “Higher Order Binaries With Time Dependent Coefficients and Two Factors - Model for Defaultable Bond With Discrete Default Information”. Malaya Journal of Matematik 2, no. 04 (October 1, 2014): 330–344. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/426.