@article{CRMATH_2018__356_6_594_0,
     author = {Sebastian, Geethika and Daniel, Sukumar},
     title = {A characterizing property of commutative {Banach} algebras may not be sufficient only on the invertible elements},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {594--596},
     publisher = {Elsevier},
     volume = {356},
     number = {6},
     year = {2018},
     doi = {10.1016/j.crma.2018.05.002},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2018.05.002/}
}