Hadamard, Jacques, <br/><br/>
Essay on the psychology of invention in the mathematical field / 
Jacques Hadamard 
 - [New York]  Dover Publications  [1954, c1945] 
 - xii, 145 p. 
<br/><br/> "An unaltered and unabridged reprint of the first edition." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Philosophy.<br/>Psychology.<br/>Inventions.
<br/><br/><label>Universal Decimal Class. No.: </label>51:001  / HAD