1.标题：Integrable symplectic maps
作者：{Bruschi}, M. and {Ragnisco}, O. and {Santini}, P.~M. and {Tu}, Gui Zhang
年份：1991
doi: 10.1016/0167-2789(91)90149-4
相关链接：http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TVK-46JH20H-3Y&_user=3718136&_coverDate=04%2F02%2F1991&_rdoc=1&_fmt=high&_orig=gateway&_origin=gateway&_sort=d&_docanchor=&view=c&_searchStrId=1755457938&_rerunOrigin=google&_acct=C000061205&_version=1&_urlVersion=0&_userid=3718136&md5=8187aa7f6004365267d25441d8099668&searchtype=a
2.标题：An explicit symmetry constraint for the Lax pairs and the adjoint Lax pairs of AKNS systems
作者：Ma, Wen Xiu and {Strampp}, W.
DOI: 10.1016/0375-9601(94)90616-5
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TVM-46S5SY8-3Y9&_user=3718136&_coverDate=02%2F14%2F1994&_rdoc=1&_fmt=high&_orig=gateway&_origin=gateway&_sort=d&_docanchor=&view=c&_searchStrId=1755460263&_rerunOrigin=google&_acct=C000061205&_version=1&_urlVersion=0&_userid=3718136&md5=48c98d6870bd13e9041b3ae274a3a999&searchtype=a
相关链接：
3.标题：Theory of nonlinear lattices
作者：{Toda}, Morikazu
出版：Springer Series in Solid State Sciences
相关链接：http://adsabs.harvard.edu/abs/1990ASAJ...87..461T
4.标题：A trace identity and its applications to the theory of discrete integrable systems
作者：{tu}, gui zhang
doi: 10.1088/0305-4470/23/17/020
相关链接：http://adsabs.harvard.edu/abs/1990JPhA...23.3903G
文献来源：Journal of Physics A: Mathematical and General Volume 23 Number 17