%0 Journal Article %A Carlos E. Kenig %A Wolfgang Staubach %T $\Psi $-pseudodifferential operators and estimates for maximal oscillatory integrals %J Studia Mathematica %D 2007 %P 249-258 %V 183 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm183-3-3/ %R 10.4064/sm183-3-3 %G en %F 10_4064_sm183_3_3