%0 Journal Article %A Mironescu, Petru %T Decomposition of $ {\mathbb{S}}^{1}$-valued maps in Sobolev spaces %J Comptes Rendus. Mathématique %D 2010 %P 743-746 %V 348 %N 13-14 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2010.06.020/ %R 10.1016/j.crma.2010.06.020 %G en %F CRMATH_2010__348_13-14_743_0