@article{RCM_2023_57_1_a4,
     author = {Gast\~ao Bettencourt and S\'ergio Mendes},
     title = {Numerical representation of topological real algebras},
     journal = {Revista colombiana de matematicas},
     pages = {103--113},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2023},
     url = {http://geodesic.mathdoc.fr/item/RCM_2023_57_1_a4/}
}