Wendland, W. L <br/><br/>
Elliptic systems in the plane 
W. L. Wendland 
 - London  San Francisco  Pitman  c1979 
 - xi, 404 p  ill  24 cm 
 - Monographs and studies in mathematics ; 3 .
<br/><br/> Cuprinde bibliografie si index 
<br/><br/><label>ISBN: </label>0273010131 
<br/><br/><label>LCCN: </label>78006499 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Elliptic<br/>Boundary value problems