@article{ELMA_1987__42_4_141395,
     author = {V. Mascioni},
     title = {Some characterizations of complex normed {Q-algebras.}},
     journal = {Elemente der Mathematik},
     pages = {10--14},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {1987},
     zbl = {0713.46032},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1987__42_4_141395/}
}