@article{GDZPPN002065185,
title = {Closed forms on symplectic fibre bundles.},
journal = {Commentarii mathematici Helvetici},
volume = {58},
year = {1983},
pages = {617-621},
zbl = {0536.53040},
url = {http://dml.mathdoc.fr/item/GDZPPN002065185}
}
Weinstein, A.; Lashof, R.; Gotay, M.J. Closed forms on symplectic fibre bundles.. Commentarii mathematici Helvetici, Tome 58 (1983) pp. 617-621. http://gdmltest.u-ga.fr/item/GDZPPN002065185/