00313nam a2200121Ia 4500082001700000100002700017245004200044260003600086300002000122490003900142500000500181700000500186  a512bW326.IA  aWaterhouse, William C.  aIntroduction to affine group schemeb  aNew YorkbSpringer-Verlagc1979  axi, 164p. Index  aGraduate texts in Mathematicsv 66  a  a