Courant, Richard, 1888-1972 <br/><br/>
Methods mathematical physics vol.I / 
Courant, Richard, 1888-1972 
 - xv, 561 p. ; 21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical physics.
<br/><br/><label>Dewey Class. No.: </label>530.15