%0 Journal Article %A Robert, Leonel %T C*-algebras where every element is a limit of products of positive elements %J Canadian mathematical bulletin %D 2022 %P 628-632 %V 65 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/S000843952100059X/ %R 10.4153/S000843952100059X %F 10_4153_S000843952100059X