%0 Journal Article %A Colwell, Peter %T Improved Versions of Forms of Plessner's Theorem %J Canadian journal of mathematics %D 1974 %P 251-255 %V 26 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-025-0/ %R 10.4153/CJM-1974-025-0 %F 10_4153_CJM_1974_025_0