@article{LJM_1999_3_a6,
     author = {I. S. Krasil'shchik},
     title = {Cohomological approach to poisson structures on nonlinear evolution equations},
     journal = {Lobachevskii journal of mathematics},
     pages = {127--145},
     year = {1999},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_1999_3_a6/}
}