000 | 00330nam a2200109Ia 4500 | ||
---|---|---|---|
008 | 160523s9999 xx 000 0 und d | ||
020 | _a978-0-486-20107-8 | ||
100 | _aHadmard, J. | ||
245 | 3 | _aAn Essay on the psychology of invention in the Mathematical field | |
260 |
_aNew York _bDover Publication _c1945 |
||
300 | _axiii, 145p. | ||
999 |
_c33364 _d33364 |