TY - JOUR AU - Alexopoulos, G. TI - An Application of Homogenization Theory to Harmonic Analysis: Harnack Inequalities And Riesz Transforms on Lie Groups of Polynomial Growth JO - Canadian journal of mathematics PY - 1992 SP - 691 EP - 727 VL - 44 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-042-x/ DO - 10.4153/CJM-1992-042-x ID - 10_4153_CJM_1992_042_x ER -