@article{AIHPA_1990__53_3_259_0, author = {Mourre, E.}, title = {Remarques sur le caract\`ere alg\'ebrique du proc\'ed\'e pseudo-diff\'erentiel et de certaines de ses extensions {(I)}}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {259--282}, publisher = {Gauthier-Villars}, volume = {53}, number = {3}, year = {1990}, mrnumber = {1084880}, zbl = {0722.35095}, language = {fr}, url = {http://archive.numdam.org/item/AIHPA_1990__53_3_259_0/} }