Gilbert, Robert P.,  1932- <br/><br/>
First order elliptic systems :  a function theoretic approach / 
by Robert P. Gilbert and James Buchanan 
 - New York :  Academic Press,  1983 
 - 281p.  ;  24 cm. 
 - Mathematics in science and engineering .
<br/><br/>Includes index 
<br/><br/><label>LCCN: </label>82-8703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Elliptic