%0 Journal Article %A Davidson, Kenneth R. %T The Relationship Between Distance Formulae and Compact Perturbations for Reflexive Algebras %J Canadian mathematical bulletin %D 1990 %P 489-493 %V 33 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-078-3/ %R 10.4153/CMB-1990-078-3 %F 10_4153_CMB_1990_078_3