00618nam a2200193Ia 4500020001800000082002000018100004200038245003000080260005200110300002600162490004600188500000500234690000600239700003100245952010400276964001700380921001000397999001700407  a9780821887141  a515.72bOu93.MD  aOuterelo, Enrique and Ruiz , jesus M.  aMapping degree theory  b  aProvidencebAmerican Mathematical Societyc2012  ax, 244p. Bibl. Index.  aGraduate studies in Mathematics v v. 108  a  a   aRuiz , jesus M ; jt. auth.  001040708GRaISIbISId2013-03-12l0o515.72 Ou93.MDpG3089r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a32912  c32912d32912