TY - JOUR AU - Beals, Richard TI - $L^p$ and Hölder estimates for pseudodifferential operators: sufficient conditions JO - Annales de l'Institut Fourier PY - 1979 SP - 239 EP - 260 VL - 29 IS - 3 PB - Institut Fourier PP - Grenoble UR - http://www.numdam.org/articles/10.5802/aif.760/ DO - 10.5802/aif.760 LA - en ID - AIF_1979__29_3_239_0 ER -