@article{1195519761,
author = {Kasahara, Isamu and Takai, Hiroshi},
title = {Approximate propervalues and characters of $C^*$-algebra},
journal = {Proc. Japan Acad.},
volume = {48},
number = {10},
year = {1972},
pages = { 91-93},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519761}
}
Kasahara, Isamu; Takai, Hiroshi. Approximate propervalues and characters of $C^*$-algebra. Proc. Japan Acad., Tome 48 (1972) no. 10, pp. 91-93. http://gdmltest.u-ga.fr/item/1195519761/