Modern mathematics :  topics and problems / 
Daymond J. Aiken, Charles A. Beseman. 
 - New York :  McGraw-Hill Book,  1964. 
 - 140 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Problems, exercises, etc.<br/>Set theory.