TY - JOUR AU - Davidson, Kenneth R. TI - The Relationship Between Distance Formulae and Compact Perturbations for Reflexive Algebras JO - Canadian mathematical bulletin PY - 1990 SP - 489 EP - 493 VL - 33 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-078-3/ DO - 10.4153/CMB-1990-078-3 ID - 10_4153_CMB_1990_078_3 ER -