Roach G.F <br/><br/>
Greens Functions 
/ by G.F Roach 
 - 2nd ed. 
 - America  Cambridge University Press  1995 
 - 235p. 
<br/><br/><label>ISBN: </label>0531282888 
<br/><br/><label>Dewey Class. No.: </label>515.353  / ROA/G