@article{10_1017_S0017089501000088,
     author = {Nagai, A. and Tokihiro, T. and Satsuma, J.},
     title = {Conserved quantities of box and ball system},
     journal = {Glasgow mathematical journal},
     pages = {91--97},
     year = {2001},
     volume = {43},
     number = {A},
     doi = {10.1017/S0017089501000088},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089501000088/}
}