GELBAUM Bernard R <br/><br/>
Theorems and counterexamples in mathematics 
GELBAUM Bernard R; OLMSTED John M H 
 - New York  Springer-Verlag           1990 
 - xxxiv,305p  cm. 
<br/><br/><label>ISBN: </label>0387973427 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B, N0