TY - JOUR AU - Abdelkader Benali AU - Mohammed Hichem Mortad TI - Generalizations of Kaplansky's Theorem Involving Unbounded Linear Operators JO - Bulletin of the Polish Academy of Sciences. Mathematics PY - 2014 SP - 181 EP - 186 VL - 62 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ba62-2-6/ DO - 10.4064/ba62-2-6 LA - en ID - 10_4064_ba62_2_6 ER -