Ledermann, Walter. <br/><br/>
Multiple integrals   
by Walter Ledermann 
 - London  Routledge & Kegan Paul Limited  1966 
 - vi, 106p. 
<br/><br/><label>LCCN: </label>66-21244 
<br/><br/><label>Dewey Class. No.: </label>515.4  / N661