KirichenkoV. F., and Kuzakon’V. M. “On the Geometry of Holomorphic Developable Vector Fields on Almost Hermitian Manifolds”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 65, no. 7, July 2013, pp. 1005–1008, https://umj.imath.kiev.ua/index.php/umj/article/view/2485.