Analyticity of relative fundamental solutions and projections for left invariant operators on the Heisenberg group

Rothschild, Linda Preiss; Tartakoff, David S.

Annales scientifiques de l'École Normale Supérieure, Volume 15 (1982) p. 419-440

Analyticity for certain solutions of non-hypoelliptic differential operators on the Heisenberg group

Rothschild, Linda P.; Tartakoff, David S.

Journées équations aux dérivées partielles, no. 9 (1981) p. 1-4