%0 Journal Article %A MIGUS, PIOTR %T LOCAL C r -RIGHT EQUIVALENCE OF C r+1 FUNCTIONS %J Glasgow mathematical journal %D 2017 %P 265-272 %V 59 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089516000161/ %R 10.1017/S0017089516000161 %F 10_1017_S0017089516000161