弗勒利歇尔-奈恩黑斯括号Nijenhuis, A., Theory of vector valued differential forms. Part I., Indagationes Mathematicae, 1956, 18: 338–360 . Frölicher, A.; Nijenhuis, A., Invariance
李超代数Nijenhuis, A. Theory of vector valued differential forms. Part I. Indagationes Mathematicae. 1956, 59: 338–350. doi:10.1016/S1385-7258(56)50046-7. . Gerstenhaber