BibTex format
@article{GIBBONS:1992:10.1016/0375-9601(92)90084-Y,
author = {GIBBONS, J and KUPERSHMIDT, BA},
doi = {10.1016/0375-9601(92)90084-Y},
journal = {PHYSICS LETTERS A},
pages = {105--110},
title = {TIME DISCRETIZATIONS OF LATTICE INTEGRABLE SYSTEMS},
url = {http://dx.doi.org/10.1016/0375-9601(92)90084-Y},
volume = {165},
year = {1992}
}