%0 Journal Article %A Berkovits, J. %A Fabry, C. %T Semilinear problems with a non-symmetric linear part having an infinite dimensional kernel. %J Portugaliae mathematica %D 2004 %P 439-459 %V 61 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_2004__61_4_52155/ %G en %F PORMA_2004__61_4_52155