@article{701758,
title = {Restrictions of 3-forms in dimension 7 to subspaces of codimension 1},
booktitle = {Proceedings of the 24th Winter School "Geometry and Physics"},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {2005},
pages = {[325]-332},
mrnumber = {MR2152371},
zbl = {1100.15015},
url = {http://dml.mathdoc.fr/item/701758}
}
Vanžura, Jiří. Restrictions of 3-forms in dimension 7 to subspaces of codimension 1, dans Proceedings of the 24th Winter School "Geometry and Physics", GDML_Books, (2005), pp. [325]-332. http://gdmltest.u-ga.fr/item/701758/