TY - JOUR AU - Oertel, F. TI - Compositions of operator ideals and their regular hulls JO - Acta Universitatis Carolinae. Mathematica et Physica PY - 1995 SP - 69 EP - 72 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AUCMP_1995__36_2_a8/ LA - en ID - AUCMP_1995__36_2_a8 ER -