TY - JOUR
T1 - Hormander's Inequality for Anisotropic Pseudo-dierential Operators
AU - Nicola Fabio 
JO - Journal of Partial Differential Equations
VL - 4
SP - 49
EP - 64
PY - 2002
DA - 2002/11
SN - 15
DO - http://doi.org/
UR - https://global-sci.org/intro/article_detail/jpde/5461.html
KW - Pseudo-differential operators
KW - lower bounds
KW - inequalities
AB -  We prove a generalization of Hörmander's celebrated inequality for a class of pseudo-differential operators on foliated manifolds.