@incollection{MSMF_1974__38__69_0,
     author = {Reiffen, Hans-J\"org},
     title = {Frobenius' theorem for differential forms on analytic spaces},
     booktitle = {Journ\'ees de g\'eom\'etrie analytique (Poitiers, 1972)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {69--72},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {38},
     year = {1974},
     doi = {10.24033/msmf.153},
     mrnumber = {51 #4303},
     zbl = {0303.32006},
     url = {http://www.numdam.org/articles/10.24033/msmf.153/}
}