%0 Journal Article %A Péter T. Nagy %T Invariant tensorfields and the canonical connection of a 3-web. %J Aequationes mathematicae %D 1988 %P 31-44 %V 35 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1988__35_2-3_137253/ %F AM2_1988__35_2-3_137253