The Noether Theorems: Invariance and Conservation Laws in the Twentieth Century. Translated by Bertram Schwarzbach. Springer 2011, ISBN978-0387878676.[6]
^Fatibene, L.; Ferraris, M.; Francaviglia, M.; Godina, M. (28 August – 1 September 1995). Janyska, J.; Kolář, I.; Slovák, J. (eds.). "A geometric definition of Lie derivative for Spinor Fields". Proceedings of the 6th International Conference on Differential Geometry and Applications. Brno, Czech Republic: Masaryk University: 549–558.