@inproceedings{Foerster:200257, author = "Foerster, Angela and Tonel, Arlei Prestes", title = "{Integrable spin ladder systems }", doi = "10.22323/1.008.0013", booktitle = "Proceedings of Workshop on Integrable Theories, Solitons and Duality {\textemdash} PoS(unesp2002)", year = 2002, volume = "008", pages = "013" }