Gilbarg, D <br/><br/>
Elliptic partialdifferent equations of second order 

 - Springer:  2001 
 - xiii,517p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>978-3-540-41160-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equation<br/>Elliptic
<br/><br/><label>LC Class. No.: </label>QA377.G49