@article{AIF_1990__40_3_657_0, author = {Lerner, Nicolas and Nourrigat, Jean}, title = {Lower bounds for pseudo-differential operators}, journal = {Annales de l'Institut Fourier}, pages = {657--682}, publisher = {Imprimerie Louis-Jean}, address = {Gap}, volume = {40}, number = {3}, year = {1990}, doi = {10.5802/aif.1227}, mrnumber = {92a:35172}, zbl = {0703.35182}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1227/} }