Sigler, L. E. <br/><br/>
Excercises in set theory / 
L. E. Springer 
 - Berlin :  Springer-Verlag,  1979 
 - 134 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>3540901930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory--Problems, exercises, etc.