%0 Journal Article %A C. Rickart %T Boundary properties of sets relative to function algebras %J Studia Mathematica %D 1968 %P 253-261 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-31-3-253-261/ %R 10.4064/sm-31-3-253-261 %G en %F 10_4064_sm_31_3_253_261