Sneddon, Ian N. <br/><br/>
Elements of Partial Differential Equations 

 - London   Mc Graw Hill  1957 
 - p.327 
<br/><br/><label>Subjects--Topical Terms: </label> Surfaces and Curves in Three Dimensions  Partial Differential Equations  Laplace Equation   Systems of Surfaces 
<br/><br/><label>Dewey Class. No.: </label>519.2