@article{GDZPPN002064553,
title = {Formes differentielles ferm\'ees non singuli\`eres sur le n-tore.},
journal = {Commentarii mathematici Helvetici},
volume = {57},
year = {1982},
pages = {79-106},
zbl = {0513.58003},
url = {http://dml.mathdoc.fr/item/GDZPPN002064553}
}
Sikorav, Jean-Claude. Formes differentielles fermées non singulières sur le n-tore.. Commentarii mathematici Helvetici, Tome 57 (1982) pp. 79-106. http://gdmltest.u-ga.fr/item/GDZPPN002064553/