Courant, Richard,  1888-1972, <br/><br/>
Methods of mathematical physics / 
By r. courant and d. hilbert 
 - volúmenes 
<br/><br/> "wiley classic edition published in 1989" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Física matemática
<br/><br/><label>LC Class. No.: </label>QA401  / C724 1962