Miranda, Carlo. <br/><br/>
Partial differential equations of elliptic type 
Carlo. Miranda 
 - Ed 2. 
 - Newyork  Springer-Verlog  1970 
 - xii,  370p. 
<br/><br/><label>Subjects--Index Terms: </label>Partial differential equations of elliptic type 
<br/><br/><label>Universal Decimal Class. No.: </label>517.956.2  / MIR