00456nam a2200145Ia 4500082001900000245006800019260003200087700003300119700003400152500005400186500000500240100003200245300002600277856000700303  a511.6bP491.AB  aA=BbcBy Marko Petkovsek, Herbert S. Wilf and Doron Zeilberger  aMassachusettsbPetersc1996  aWilf, Herbert S. ; jt. auth.  aZeilberger, Doron ; jt. auth.  a"Purchased under NBHM grant for the year 1996-97"  a  aPetkovsek, Marko and others  axi, 212p. Bibl. Index  df