@article{1365379, note = {"November 1992, Volume 100, Number 479 (second of 4 numbers)"--Cover.}, author = {Deift, Percy, and Li, Luen-Chau, and Tomei, Carlos,}, url = {http://library.usi.edu/record/1365379}, title = {Loop groups, discrete versions of some classical integrable systems, and rank 2 extensions /}, recid = {1365379}, pages = {1 online resource (114 pages) :}, }