00284nam a2200121Ia 4500082001600000100002000016245002300036260003400059300002000093490003900113500000500152700000500157  a512bK74.AS  aKnutson, Donald  aAlgebraic spacesb  aBerlinbSpringer-Verlagc1971  avi, 261p. Bibl.  aLecture notes in Mathematicsv 203  a  a