TY - JOUR AU - K. I. Beidar AU - TI - Applying the density theorem for derivations to range inclusion problems JO - Studia Mathematica PY - 2000 SP - 93 EP - 100 VL - 138 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-138-1-93-100/ DO - 10.4064/sm-138-1-93-100 LA - en ID - 10_4064_sm_138_1_93_100 ER -