DESHMUKH, SHARIEF, and M. A. AL-GWAIZ. “CR-SUBMANIFOLDS OF TWO DIMENSIONAL COMPLEX PROJECTIVE SPACE”. Tamkang Journal of Mathematics 21, no. 2 (June 1, 1990): 171–175. Accessed May 6, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4653.