%0 Journal Article %A Sember, John J. %T The Associative Part of a Convergence Domain is Invariant %J Canadian mathematical bulletin %D 1970 %P 147-148 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-033-2/ %R 10.4153/CMB-1970-033-2 %F 10_4153_CMB_1970_033_2