%0 Journal Article %A Silvia Secco %T $L^p$-improving properties of measures supported on curves on the Heisenberg group %J Studia Mathematica %D 1999 %P 179-201 %V 132 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-132-2-179-201/ %R 10.4064/sm-132-2-179-201 %G en %F 10_4064_sm_132_2_179_201