%0 Journal Article %A Sichun Wang %T On the maximal operator associated with the free Schrödinger equation %J Studia Mathematica %D 1997 %P 167-182 %V 122 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-122-2-167-182/ %R 10.4064/sm-122-2-167-182 %G en %F 10_4064_sm_122_2_167_182