%0 Journal Article %A Vondra, Jan %T Natural transformations of connections on the first principal prolongation %J Archivum mathematicum %D 2014 %P 21-25 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5817/AM2014-1-21/ %R 10.5817/AM2014-1-21 %G en %F 10_5817_AM2014_1_21