TY - JOUR AU - Erling Stormer AU - Edward G. Effros TI - Positive projections and Jordan structure in operator algebras. JO - Mathematica Scandinavica PY - 1979 SP - 127 EP - 138 VL - 45 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1979__45_166668/ ID - MS2_1979__45_166668 ER -