%0 Journal Article %A Bernard Russo %A Yaakov Friedman %T Contracctive projections on operator triple systems. %J Mathematica Scandinavica %D 1983 %P 279-311 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1983__52_166845/ %F MS2_1983__52_166845