00639nam a2200169Ia 4500020001500000082001800015100004900033245010300082260005200185300002900237490005200266500005600318500000500374700003500379700002500414700003000439  a0821845500  a530.1bK88.BG  aKozlov, Valerii V. and Treshchev, Dmitrii V.  aBilliards ; a genetic introduction to the dynamics of systems with impactsbcEd. by Simeon Ivanov  aProvidencebAmerican Mathematical Societyc1991  aviii, 171p. Index, Bibl.  aTranslations of Mathematical monographsv V. 89  a"Purchased under NBHM grant for the year 1999-2000"  a  aTreshchev, Dmitrii V.; jt.auth  aIvanov, Simeon ; ed.  aSchulenberger, J.R. ; tr.