Gilbert, Robert P., <br/><br/>
Function theoretic methods in partial differential equations 
[by] Robert P. Gilbert. 
 - New York,  Academic Press,  1969. 
 - xviii, 311 p.  illus.  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations, Partial  Functions of complex variables 
<br/><br/><label>Dewey Class. No.: </label>515.3/53  / GIL