00383nam a2200133Ia 4500082001600000100001600016245003600032260005200068300002900120490003600149500005400185500000500239700000500244  a513bK11.VA  aKac, Victor  aVertex algebras for beginnersb  aProvidencebAmerican Mathematical Societyc1997  aviii, 141p. Index, Bibl.  aUniversity lecture series v 10  a"Purchased under NBHM grant for the year 1997-98"  a  a