Karagoz, Serpil. “ON THE MEAN CURVATURE OF MIXED TYPE SURFACES IN LORENTZ-MINKOWSKI SPACE”. IJRDO -JOURNAL OF MATHEMATICS 9, no. 9 (October 30, 2023): 6-8. Accessed July 3, 2024. https://ijrdo.org/index.php/m/article/view/5862.