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@article{MAN_1984__268_182931, author = {M. Nacinovich}, title = {Poincar\'e {Lemma} for {Tangential} {Cauchy} {Riemann} {Complexes.}}, journal = {Mathematische Annalen}, pages = {449--472}, publisher = {mathdoc}, volume = {268}, year = {1984}, zbl = {0574.32045}, url = {http://geodesic.mathdoc.fr/item/MAN_1984__268_182931/} }
M. Nacinovich. Poincaré Lemma for Tangential Cauchy Riemann Complexes.. Mathematische Annalen, Tome 268 (1984), pp. 449-472. http://geodesic.mathdoc.fr/item/MAN_1984__268_182931/