Hadamard, Jacques <br/><br/>
An essay on the psychology of invention in the mathematical field 
Jacques Hadamard. 
 - [sl.]  Dover Publications  1945 
 - xiii, 145 p.; 21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numerical Psychology Psycholog - Mathematical  Psychometrics. 
<br/><br/><label>Dewey Class. No.: </label>159.938  / H12E