%0 Journal Article %A Wacław Szymański %T Decompositions of operator-valued functions in Hilbert spaces %J Studia Mathematica %D 1974 %P 265-280 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-50-3-265-280/ %R 10.4064/sm-50-3-265-280 %G en %F 10_4064_sm_50_3_265_280