Van der Walt, Theodorus <br/><br/>
Fixed and almost fixed points. 

 - 4th printing. 
 - Amsterdam ;:  Mathematisch Centrum,  1979. 
 - 128 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9061960029 
<br/><br/><label>Dewey Class. No.: </label>514  / V217f