@article{01779098, title = {Cohomology of the variational complex in the class of exterior forms of finite jet order.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {30}, year = {2002}, pages = {39-47}, doi = {10.1155/S0161171202012097}, zbl = {1006.58013}, language = {en}, url = {http://dml.mathdoc.fr/item/01779098} }
Sardanashvily, Gennadi. Cohomology of the variational complex in the class of exterior forms of finite jet order.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 39-47. doi : 10.1155/S0161171202012097. http://gdmltest.u-ga.fr/item/01779098/