%0 Journal Article %A Véronique Fischer %A Michael Ruzhansky %T Lower bounds for operators on graded Lie groups %J Comptes Rendus. Mathématique %D 2013 %P 13-18 %V 351 %N 1-2 %I Elsevier %R 10.1016/j.crma.2013.01.004 %G en %F CRMATH_2013__351_1-2_13_0