"Kovach, Ladis D" <br/><br/>
"Boundary,-Value Problems" 

 - London  A.W.P.C  1984 
 - "xii, 419" 
<br/><br/><label>ISBN: </label>201117282 
<br/><br/><label>Dewey Class. No.: </label>515  / 35 K84