Ahmadi S.R. Gilligan B., “Complexifying Lie Group Actions on Homogeneous Manifolds of Non-Compact Dimension Two”, Can. Math. Bul.-Bul. Can. Math., 57:4 (2014), 673–682
Dmitri Akhiezer, Progress in Mathematics, 306, Lie Groups: Structure, Actions, and Representations, 2013, 1
Ф. М. Малышев, “Полные комплексные структуры на однородных пространствах полупростых групп Ли”, Изв. АН СССР. Сер. матем., 43:6 (1979), 1294–1318 ; F. M. Malyshev, “Complete complex structures on homogeneous spaces of semisimple Lie groups”, Math. USSR-Izv., 15:3 (1980), 501–522