00441nam a2200133Ia 4500008004100000082001500041100002200056245006700078260004000145300001300185942000700198952008900205999001300294190709s9999    xx            000 0 und d  a151.1 H117  aHadamard, Jacques 0aEssay on the psychology of invention in the mathematical field  aPrincetonbDover Publicationsc1954  axiii,145  cBK  00104070aRIEBPLbRIEBPLd2019-07-09l0o151.1 H117p1446r2019-07-09 00:00:00yBK  c571d571