@article{10_21136_CMJ_1987_102177,
     author = {Alda, V\'aclav and Vrbov\'a, Pavla},
     title = {A remark on $C^\ast$-algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {509--511},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {1987},
     doi = {10.21136/CMJ.1987.102177},
     mrnumber = {913982},
     zbl = {0643.46040},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102177/}
}