Bellalah, Mondher. “The Extended Black-Scholes Model With-LAGS-and “Hedging Errors””. International Journal of Banking and Finance 1, no. 2 (August 19, 2003): 111–119. Accessed May 8, 2024. https://e-journal.uum.edu.my/index.php/ijbf/article/view/8337.