000 00378nam a2200133Ia 4500
008 190601s9999 xx 000 0 und d
082 _a510.1
_bHAD
100 _aHadamard, Jacques
245 3 _aAn Essay on the psychology of invention in the mathematical field
260 _a[S.I.]
_bDover pub.
_c1945
300 _axi, 145 p.
650 _aMathematics-philosophy
942 _cS
999 _c118841
_d118840