@article{ASNSP_2005_5_4_4_587_0,
     author = {Nicola, Fabio},
     title = {On the absence of the one-sided {Poincar\'e} lemma in {Cauchy-Riemann} manifolds},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {587--600},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 4},
     number = {4},
     year = {2005},
     mrnumber = {2207735},
     zbl = {1170.32315},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2005_5_4_4_587_0/}
}