@article{GDZPPN002357569, title = {Contracctive projections on operator triple systems.}, journal = {Mathematica Scandinavica}, volume = {53}, year = {1983}, pages = {279-311}, zbl = {0547.46048}, url = {http://dml.mathdoc.fr/item/GDZPPN002357569} }
Russo, Bernard; Friedman, Yaakov. Contracctive projections on operator triple systems.. Mathematica Scandinavica, Tome 53 (1983) pp. 279-311. http://gdmltest.u-ga.fr/item/GDZPPN002357569/