Nirenberg L. <br/><br/>
Lectures on linear partial differential equations. 
Nirenberg L. 
 - Providence  Amer. Math. Soc.  1973 
 - 58 p. 
<br/><br/> Regional conference of the mathematical sciences.  Memoirs of the Amer. Math. Soc., N 17 
<br/><br/><label>Dewey Class. No.: </label>517.956