@article{ASNSP_2010_5_9_3_459_0,
     author = {De Bartolomeis, Paolo and Meylan, Francine},
     title = {Intrinsic deformation theory of $CR$ structures},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {459--494},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 9},
     number = {3},
     year = {2010},
     mrnumber = {2722651},
     zbl = {1206.32015},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2010_5_9_3_459_0/}
}