TY - JOUR AU - Colwell, Peter TI - Improved Versions of Forms of Plessner's Theorem JO - Canadian journal of mathematics PY - 1974 SP - 251 EP - 255 VL - 26 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-025-0/ DO - 10.4153/CJM-1974-025-0 ID - 10_4153_CJM_1974_025_0 ER -