Bak, Thor A. <br/><br/>
Functions of one and several real variables - V.2   
by Thor A. Bak, Jonas Lichtenberg 
 - New York  W.A. Benjamin, Inc.  1967 
 - x, 131-318pp. 
<br/><br/><label>LCCN: </label>66-12698 
<br/><br/><label>Dewey Class. No.: </label>515.8  / N67