@article{01413891,
title = {Cohomological approach to Poisson structures on nonlinear evolution equations.},
journal = {Lobachevskii Journal of Mathematics},
volume = {3},
year = {1999},
pages = {127-145},
zbl = {0938.35010},
language = {en},
url = {http://dml.mathdoc.fr/item/01413891}
}
Krasil'shchik, I.S. Cohomological approach to Poisson structures on nonlinear evolution equations.. Lobachevskii Journal of Mathematics, Tome 3 (1999) pp. 127-145. http://gdmltest.u-ga.fr/item/01413891/