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@article{PORMA_2004__61_3_52320, author = {Monterde, J.}, title = {A new proof of the existence of hierarchies of {Poisson-Nijenhuis} structures.}, journal = {Portugaliae mathematica}, pages = {355--368}, publisher = {mathdoc}, volume = {61}, number = {3}, year = {2004}, zbl = {1086.53098}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_2004__61_3_52320/} }
Monterde, J. A new proof of the existence of hierarchies of Poisson-Nijenhuis structures.. Portugaliae mathematica, Tome 61 (2004) no. 3, pp. 355-368. http://geodesic.mathdoc.fr/item/PORMA_2004__61_3_52320/