@Article{ GARRIDO:807-824,

author = { PEDRO LUIS GARRIDO GALERA } ,

title = { KOLMOGOROV-SINAI ENTROPY, LYAPUNOV EXPONENTS AND MEAN FREE TIME IN BILLIARD SYSTEMS },

journal = { Journal of Statistical Physics },

year = { 1997 },

volume = { 88 },

pages = { 807-824 },

}