Gray, James F. <br/><br/>
Sets, relations, and functions. 

 - New York,  Holt, Rinehart and Winston  [1962] 
<br/><br/><label>LCCN: </label>62020207 /L/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.
<br/><br/><label>LC Class. No.: </label>QA248  / .G69 
<br/><br/><label>Dewey Class. No.: </label>512.817