Sneddon, Ian Naismith <br/><br/>
Elements of partial differential equations 

 - New York:   McGraw-Hill book co.,   1957. 
 - 327 p.:   graf., il.;  
 - International series in pure and applied mathematics .
 - International series in pure and applied mathematics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECUACIONES DIFERENCIALES PARCIALES<br/>LAPLACE EQUATION<br/>WAVE EQUATIONS<br/>SURFACES