%0 Journal Article %A Jarosław Wróblewski %T Canonical differential structures of regular covectors %J Colloquium Mathematicum %D 1987 %P 45-54 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-55-1-45-54/ %R 10.4064/cm-55-1-45-54 %G en %F 10_4064_cm_55_1_45_54