Courant, Richard <br/><br/>
Methods of mathematical physics. 

 - New York :  Interscience Publishers,  1953. 
<br/><br/><label>ISBN: </label>047017952x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>51