TY - JOUR AU - Pham Le Hung TI - A short self-contained proof of the Commutation Theorem JO - Studia Mathematica PY - 2017 SP - 195 EP - 200 VL - 237 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm8662-9-2016/ DO - 10.4064/sm8662-9-2016 LA - en ID - 10_4064_sm8662_9_2016 ER -