%0 Journal Article %A E. Darrigrand %T Ultra-Weak Variational Formulation and efficient Integral Representation in Electromagnetism: a thorough study of the algorithm complexity %J ESAIM. Proceedings %D 2008 %P 190-197 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc:072224/ %R 10.1051/proc:072224 %G en %F EP_2008_22_a24