00627nam a2200193Ia 4500020001800000082002000018100003900038245007300077260005200150300002700202490000500229500000500234690000600239700002800245952011600273964001700389921001000406999001700416  a9780821887257  a510.9bSa169.VD  aSally, Judith D.and Sally, Paul J.  aRoots to research; a vertical development of mathematical problemsb  aProvidencebAmerican Mathematical Societyc2007  axiii,338p. Bibl. Index  a  a  a   aSally, Paul J. Jt.auth.  001040708GRaISIbISId2013-03-12l1o510.9 Sa169.VDpG3091r2021-11-29 00:00:00s2021-11-10w2019-02-14yBK  abcdefg  a32902  c32902d32902