00295nam a2200121Ia 4500082001700000100002200017245002500039260003600064300002100100490004200121500000500163700000500168  a512bH335.AG  aHartshorne, Robin  aAlgebraic geometryb  aNew YorkbSpringer-Verlagc1977  axiv, 496p. Index  aGraduate texts in Mathematicsv v. 52  a  a