Lax, Peter D. <br/><br/>
Partial differential equations, 1950-1951  / 

 - New York:  New York University,    
 - ii, 207p. 
 - Courant institute lecture notes .
<br/><br/> "Notes by J. Berkowitz". 
<br/><br/><label>Dewey Class. No.: </label>515.35  / L425.PD