%0 Journal Article %A Heikki Apiola %T Some permanence properties of locally convex spaces defined by norm space ideals of operators %J Studia Mathematica %D 1976 %P 265-278 %V 55 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-55-3-265-278/ %R 10.4064/sm-55-3-265-278 %G en %F 10_4064_sm_55_3_265_278