Aronszajn, Nachman,  1907- <br/><br/>
Introduction to the general theory of Hilbert space/ 
Nachman Aronszajn. 
 - [1st ed.] 
 - Oklahoma:  Research Foundation,  1948. 
 - 106 p.: 
<br/><br/><label>Dewey Class. No.: </label>516.352  / A769i