00406nam a2200133Ia 4500082001800000100002000018245008800038260003500126300001900161490007500180500000500255700000500260856000700265  a510.9bY73.MT  aYoung, Laurence  aMathematicians and their times; history of mathematics and mathematics of historyb  aAmsterdambNorth-Hollandc1981  ax, 344p. Index  aNorth-Holland Mathematics studiesvv. 48) (Notas de Matematica ; v. 76  a  a  df