Tikhonov, A.N. <br/><br/>
Eqauations of mathematical physics 

 - Oxford  Pergamon Press  1963 
 - xvi,764p. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematical physics 
<br/><br/><label>Dewey Class. No.: </label>530.15  / TIK