%0 Journal Article %A J. Ginibre %A N. Hayashi %T Almost global existence of small solutions to quadratic nonlinear Schördinger equations in three space dimensions. %J Mathematische Zeitschrift %D 1995 %P 119-140 %V 219 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1995__219_2_174762/ %F MZ_1995__219_2_174762