@article{MAN_1990__288_1_164732, author = {Masaharu Kusuda}, title = {Unique state extension and hereditary {C*-subalgebras.}}, journal = {Mathematische Annalen}, pages = {201--210}, year = {1990}, volume = {288}, number = {1}, zbl = {0694.46039}, url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164732/} }