Spiegel, M. R., Au. <br/><br/>
Theory and problems of vector analysis 

 - 3rd 
 - New York  McGraw-Hill  1981 
<br/><br/><label>ISBN: </label>0070990093 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Vector analysis
<br/><br/><label>Dewey Class. No.: </label>515.63  / S65T