%0 Journal Article %A Mironescu, Petru %T Superposition with subunitary powers in Sobolev spaces %J Comptes Rendus. Mathématique %D 2015 %P 483-487 %V 353 %N 6 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.crma.2015.03.020/ %R 10.1016/j.crma.2015.03.020 %G en %F CRMATH_2015__353_6_483_0