%0 Journal Article
%T A sharpness result for powers of Besov functions
%A G¨Śrard Bourdaud
%J Journal of Function Spaces and Applications
%D 2004
%I Hindawi Publishing Corporation
%R 10.1155/2004/823103
%X A recent result of Kateb asserts that f∈Bp,qs(ℝn) implies |f|μ∈Bp,qs(ℝn) as soon as the following three conditions hold: (1) 0≺s≺μ
%U http://www.hindawi.com/journals/jfsa/2004/823103/abs/