@incollection{MSMF_1977__53__81_0,
     author = {Hendriks, Harrie},
     title = {Applications de la th\'eorie d'obstruction en dimension 3},
     booktitle = {Applications de la th\'eorie d'obstruction en dimension 3. Formes et op\'erateurs diff\'erentiels sur les espaces analytiques complexes},
     series = {Bulletin de la Soci\'et\'e math\'ematique de France. M\'emoire},
     pages = {81--196},
     year = {1977},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {53},
     doi = {10.24033/msmf.237},
     mrnumber = {57 #13952},
     zbl = {0415.57006},
     url = {https://www.numdam.org/articles/10.24033/msmf.237/}
}