Gray, James F. <br/><br/>
Sets, relations, and functions / 
James F. Gray 
 - New York :  Holt, Rinehart and Winston,  c1962 
 - 143 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.
<br/><br/><label>Dewey Class. No.: </label>512.817  / GRS 1962