Hormander, Lars <br/><br/>
The analysis of linear partial differential operators   

 - Berlin  Springer-Verlag  1983 
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 - Die Grundlehren der Mathematischen Wissenschaften  a series of comprehensive studies in Mathematics ; v.256, 257 , 274, 275 .
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<br/><br/><label>Dewey Class. No.: </label>515.35  / H812.AL