%0 Journal Article %A Bohdan Aniszczyk %A Ryszard Frankiewicz %A Czesław Ryll-Nardzewski %T Continuity of a homomorphism on commutative subalgebras is not sufficient for continuity %J Studia Mathematica %D 1991 %P 247-248 %V 98 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-98-3-247-248/ %R 10.4064/sm-98-3-247-248 %G en %F 10_4064_sm_98_3_247_248