00435nam a2200133Ia 4500020001500000082002000015100004300035245008400078260003400162300002900196490005200225500000500277700001900282  a3540676201  a510.3bEn56.101  aEncyclopaedia of Mathematical Sciences  aMathematical physics IIbhard ball systems and the lorentz gascEd. by D. Szasz  aBerlinbSpringer-Verlagc2000  aviii, 458p. Bibl. Index.  aEncyclopaedia of Mathematical Sciencesv V. 101  a  aSzasz, D ; ed.