00517nam a2200169Ia 4500003000900000008004100009040001600050080001600066100002000082245008700102260003500189300001400224490003300238650001200271650004100283650002300324IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a512.58bMIT  aMitchell, Barry 0aTheory of categoriescBarry Mitchell                                                aNew YorkbAcademic Pressc1965  axi, 273p.  aPure and applied mathematics  aAlgebra  aAstronomy and astrophysics thesaurus  aTheory of cateogry