@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/}
}