@article{01234900, title = {Vertical cohomologies and their application to completely integrable Hamiltonian systems.}, journal = {Georgian Mathematical Journal}, volume = {5}, year = {1998}, pages = {483-500}, doi = {10.1023/B:GEOR.0000008119.93039.36}, zbl = {0968.58020}, language = {en}, url = {http://dml.mathdoc.fr/item/01234900} }
Tevdoradze, Z. Vertical cohomologies and their application to completely integrable Hamiltonian systems.. Georgian Mathematical Journal, Tome 5 (1998) pp. 483-500. doi : 10.1023/B:GEOR.0000008119.93039.36. http://gdmltest.u-ga.fr/item/01234900/