Bak, Thor A. <br/><br/>
Functions of one and several real variables 

 - New York  W. A. Benjamin.  1967 
 - x,Bp. 
 - volume 2 .
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Real variables
<br/><br/><label>Dewey Class. No.: </label>515.8  / B15F