%0 Journal Article %A Edwin Wagner %T Continuity of operator functions %J Studia Mathematica %D 1966 %P 245-251 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-28-3-245-251/ %R 10.4064/sm-28-3-245-251 %G en %F 10_4064_sm_28_3_245_251