%0 Journal Article %A Marraffa, V. %T A scalar Volterra derivative for the PoU-integral %J Mathematica Bohemica %D 2005 %P 49-62 %V 130 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2005.134220/ %R 10.21136/MB.2005.134220 %G en %F 10_21136_MB_2005_134220