%0 Journal Article %A S. S. Volosivets %T The modified $\mathbf P$-integral and $\mathbf P$-derivative and their applications %J Sbornik. Mathematics %D 2012 %P 613-644 %V 203 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2012_203_5_a0/ %G en %F SM_2012_203_5_a0