Kaliyev, A., M. Nurguzhin, and B. Zhumazhanov. “Modern Methods of Design and Analysis of Optical Systems on Example of the off-Axis Catadioptric System”. Recent Contributions to Physics 2014, no. 1 (March 29, 2014): 80–86. Accessed July 5, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/32.