%0 Journal Article %A K. Kumar %A M. N. N. Namboodiri %A S. Serra-Capizzano %T Preconditioners and Korovkin-type theorems for infinite-dimensional bounded linear operators via completely positive maps %J Studia Mathematica %D 2013 %P 95-118 %V 218 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm218-2-1/ %R 10.4064/sm218-2-1 %G en %F 10_4064_sm218_2_1