Hormander, Lars <br/><br/>
Analysis of linear partial deifferential operation I 

 - New York  Springer verlog  1990 
 - 440 p. 
<br/><br/> 20350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>517.382  / H