%0 Journal Article %A S. K. Vodop'yanov %A A. D.-O. Ukhlov %T Superposition operators in Lebesgue spaces and the differentiability of quasi-additive set functions %J Vladikavkazskij matematičeskij žurnal %D 2002 %P 11-33 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMJ_2002_4_1_a1/ %G ru %F VMJ_2002_4_1_a1