%0 Journal Article %A Geethika Sebastian %A Sukumar Daniel %T A characterizing property of commutative Banach algebras may not be sufficient only on the invertible elements %J Comptes Rendus. Mathématique %D 2018 %P 594-596 %V 356 %N 6 %I Elsevier %R 10.1016/j.crma.2018.05.002 %G en %F CRMATH_2018__356_6_594_0