%0 Journal Article %A Radu Paltanea %A Gabriel Stan %T Transfomation of the second order modulus by positive linear operators %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2015 %V XXIII %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2015_XXIII_1_a21/ %F ASUO_2015_XXIII_1_a21