@article{GDZPPN002096803,
title = {Modifying Lax Equations and the Second Hamiltonian Structure.},
journal = {Inventiones mathematicae},
volume = {56},
year = {1980},
pages = {403-436},
zbl = {0464.35024},
url = {http://dml.mathdoc.fr/item/GDZPPN002096803}
}
Kupershmidt, B.A.; Wilson, George. Modifying Lax Equations and the Second Hamiltonian Structure.. Inventiones mathematicae, Tome 56 (1980) pp. 403-436. http://gdmltest.u-ga.fr/item/GDZPPN002096803/