Zengin, F. Ö. “ON <em class="a-Plus-plus">M</Em&gt;-Projectively Flat LP-Sasakian Manifolds”. Ukrains’kyi Matematychnyi Zhurnal 65, no. 11 (November 25, 2013): 1560–1566. Accessed April 16, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2535.