00428nam a2200157Ia 45000010005000000080041000050200018000460400013000640820021000771000024000982450070001222500008001922600052002003000011002525460007002638970140325s9999    xx            000 0 und d  a0-7167-1802-2  cPK-LaUMT  a 004.0151bGER-M  aGersting, Judith L.  aMathematical structures for computer sciencecGersting, Judith L.  a2nd  aNew York,USA:bW. H. Freeman and Company,c1982  a618 p.  aEN