BhatiaS. S., KumarR., and SachdevaR. 2016. “Slant Lightlike Submersions from an Indefinite Almost Hermitian Manifold onto a Lightlike Manifold”. Ukrains’kyi Matematychnyi Zhurnal 68 (7), 963-71. https://umj.imath.kiev.ua/index.php/umj/article/view/1894.