@article {2000, title = {Reduction of bi-Hamiltonian systems and separation of variables: an example from the Boussinesq hierarchy}, journal = {Theor. Math. Phys. 122 (2000) 176-192}, number = {SISSA;123/98/FM}, year = {2000}, publisher = {Springer}, abstract = {We discuss the Boussinesq system with $t_5$ stationary, within a general framework for the analysis of stationary flows of n-Gel\\\'fand-Dickey hierarchies. We show how a careful use of its bihamiltonian structure can be used to provide a set of separation coordinates for the corresponding Hamilton--Jacobi equations.}, doi = {10.1007/BF02551195}, url = {http://hdl.handle.net/1963/3219}, author = {Gregorio Falqui and Franco Magri and G. Tondo} }