%0 Journal Article %A Mironescu, Petru %A Molnar, Ioana %T Phases of unimodular complex valued maps: optimal estimates, the factorization method, and the sum-intersection property of Sobolev spaces %J Annales de l'I.H.P. Analyse non linéaire %D 2015 %P 965-1013 %V 32 %N 5 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2014.04.005/ %R 10.1016/j.anihpc.2014.04.005 %G en %F AIHPC_2015__32_5_965_0