%0 Journal Article %A N. A. Rautian %T On the boundedness of a~class of fractional type integral operators %J Sbornik. Mathematics %D 2009 %P 1807-1832 %V 200 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2009_200_12_a3/ %G en %F SM_2009_200_12_a3