Han, Qing <br/><br/>
Elliptic partial differential equations 

 - 2nd ed. 
 - Providence:  American Mathematical Society,  2011. 
 - 147 p,:  ill.;  26 cm 
 - Courant lecture notes:  vol. 1 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780821853139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maximum principles<br/>Partial differential equations<br/>Harmonic functions<br/>Viscosity solution<br/>Weak solution
<br/><br/><label>Dewey Class. No.: </label>515.3533  / HAN