%0 Journal Article %A Stefania Petra %T Randomized Sparse Block Kaczmarz as Randomized Dual Block-Coordinate Descent %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2015 %V XXIII %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2015_XXIII_3_a15/ %F ASUO_2015_XXIII_3_a15