Williamson, Richard E. <br/><br/>
Multivariable mathematics / 
Richard E. Williamson, Hale F. Trotter. 
 - 3rd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c1996. 
 - xv, 732 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0131816454 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebras, Linear.<br/>Differential equations.<br/>Calculus.