Apostolov, V, Draghici, T, Kotschick, D. (1999). An integrability theorem for almost Kahler 4-manifolds
.
Comptes Rendus Mathematique, 329(5), 413-418. 10.1016/S0764-4442(00)88616-4
Apostolov, V, Draghici, T, Kotschick, D. (1999). An integrability theorem for almost Kahler 4-manifolds
. Comptes Rendus Mathematique, 329(5), 413-418. 10.1016/S0764-4442(00)88616-4