@article{ASENS_1982_4_15_3_419_0,
     author = {Rothschild, Linda Preiss and Tartakoff, David S.},
     title = {Analyticity of relative fundamental solutions and projections for left invariant operators on the {Heisenberg} group},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {419--440},
     publisher = {Elsevier},
     volume = {Ser. 4, 15},
     number = {3},
     year = {1982},
     doi = {10.24033/asens.1432},
     mrnumber = {84d:22017},
     zbl = {0531.35011},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1432/}
}