%0 Journal Article %A Matthias Hammerl %A Petr Somberg %A Vladimír Souček %A Josef Šilhan %T On a new normalization for tractor covariant derivatives %J Journal of the European Mathematical Society %D 2012 %P 1859-1883 %V 14 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/349/ %R 10.4171/jems/349 %F JEMS_2012_14_6_a4