@article{AIHPA_1990__52_2_163_0, author = {Hayashi, Nakao and Saitoh, Saburou}, title = {Analyticity and smoothing effect for the {Schr\"odinger} equation}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {163--173}, publisher = {Gauthier-Villars}, volume = {52}, number = {2}, year = {1990}, zbl = {0731.35047}, mrnumber = {1051235}, language = {en}, url = {http://www.numdam.org/item/AIHPA_1990__52_2_163_0/} }