SarkarA., and SenM. “Locally <em class="a-Plus-plus">ϕ</Em&gt;-Symmetric Generalized Sasakian-Space Forms”. Ukrains’kyi Matematychnyi Zhurnal 65, no. 10 (October 25, 2013): 1430–1438. Accessed December 4, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2521.