%0 Journal Article %A Rothschild, Linda P. %A Tartakoff, David S. %T Analyticity for certain solutions of non-hypoelliptic differential operators on the Heisenberg group %J Journées équations aux dérivées partielles %D 1981 %P 1-4 %I Ecole polytechnique %U http://www.numdam.org/item/JEDP_1981____A9_0/ %G en %F JEDP_1981____A9_0