Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{BAG_1981__11_138188, author = {D. KRUPKA}, title = {Finite order liftings in principal fibre bundles}, journal = {Beitr\"age zur Algebra und Geometrie}, pages = {21--28}, publisher = {mathdoc}, volume = {11}, year = {1981}, url = {http://geodesic.mathdoc.fr/item/BAG_1981__11_138188/} }
D. KRUPKA. Finite order liftings in principal fibre bundles. Beiträge zur Algebra und Geometrie, Tome 11 (1981), pp. 21-28. http://geodesic.mathdoc.fr/item/BAG_1981__11_138188/