@book{23840, author = {Gerdjikov, V.S. and Vilasi, G. and SpringerLink (Online service)}, title = {Integrable Hamiltonian Hierarchies}, publisher = {Springer Berlin Heidelberg,}, year = {2008.}, address = {Berlin, Heidelberg :}, edition = {1a ed.}, url = {http://dx.doi.org/10.1007/978-3-540-77054-1} }