00480nam a2200181 a 450000500170000002000180001708200170003510000220005224500280007426000540010230000260015650000500018260000080023263000210024063000250026185600060028685600060029220251203112602.0  a9781470425944  a511.352bWEB  aWeber, Rebeccad_  aComputability theoryb_  aRhode IslandbAmerican Mathematical Societyc2012  avii, 203p.c22cm.bPB  aincludes bibliographical references and index  bc_  aRecursion theory  aComputable functions  f_  a_