%0 Journal Article %A YEMON CHOI %A ILIJAS FARAH %A NARUTAKA OZAWA %T A NONSEPARABLE AMENABLE OPERATOR ALGEBRA WHICH IS NOT ISOMORPHIC TO A $C^*$ -ALGEBRA %J Forum of Mathematics, Sigma %D 2014 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2013.6/ %R 10.1017/fms.2013.6 %G en %F 10_1017_fms_2013_6