@article{10_4064_cm_62_1_31_37, author = {Wies{\l}aw \.Zelazko}, title = {On a problem of {Fell} and {Doran}}, journal = {Colloquium Mathematicum}, pages = {31--37}, publisher = {mathdoc}, volume = {62}, number = {1}, year = {1991}, doi = {10.4064/cm-62-1-31-37}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-62-1-31-37/} }