%0 Journal Article %A Kodama, Tetsuo %T Residue Free Differentials and the Cartier Operator for Algebraic Function Fields of one Variable %J Canadian journal of mathematics %D 1972 %P 905-914 %V 24 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-090-8/ %R 10.4153/CJM-1972-090-8 %F 10_4153_CJM_1972_090_8