@article{05019211, title = {Gleason--Kahane--\.Zelazko theorem for spectrally bounded algebra.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2005}, year = {2005}, pages = {2447-2460}, doi = {10.1155/IJMMS.2005.2447}, zbl = {1152.46037}, language = {en}, url = {http://dml.mathdoc.fr/item/05019211} }
Kulkarni, S.H.; Sukumar, D. Gleason–Kahane–Żelazko theorem for spectrally bounded algebra.. International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 2447-2460. doi : 10.1155/IJMMS.2005.2447. http://gdmltest.u-ga.fr/item/05019211/