@article{105997, author = {Ivan Kol\'a\v r}, title = {On the automorphisms of principal fibre bundles}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {021}, year = {1980}, pages = {309-312}, zbl = {0415.58001}, mrnumber = {580685}, language = {en}, url = {http://dml.mathdoc.fr/item/105997} }
Kolář, Ivan. On the automorphisms of principal fibre bundles. Commentationes Mathematicae Universitatis Carolinae, Tome 021 (1980) pp. 309-312. http://gdmltest.u-ga.fr/item/105997/
Natural bundles and their general properties, Differential Geometry in honour of K. Yano, Kinokuniya, Tokyo (1972), 317-334. (1972) | MR 0380862 | Zbl 0246.53018
Natural bundles have finite order, Topology 16 (1977), 271-277. (1977) | MR 0467787
On Gauge Transformations and Symmetries, Bull. Acad. Polon. Sci., Sér. Sci. Math. Astronom. Phys. 27 (1979), 7-13. (1979) | MR 0549242 | Zbl 0429.53046