Shuji Watanabe, and Ken Kuriyama. “Smoothness and Monotone Decreasingness of the Solution to the BCS-Bogoliubov Gap Equation for Superconductivity”. Journal of Basic & Applied Sciences 13 (January 5, 2017): 17–25. Accessed July 7, 2024. http://set-publisher.com/index.php/jbas/article/view/1594.