TY - JOUR AU - Alexander Abian AU - David Deever TI - A short proof of a strong version of Poprużenko's Theorem JO - Fundamenta Mathematicae PY - 1966 SP - 71 EP - 72 VL - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-59-1-71-72/ DO - 10.4064/fm-59-1-71-72 LA - en ID - 10_4064_fm_59_1_71_72 ER -