Liebertein, H. Melvin <br/><br/>
Theory of partial differential equations 

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 - New York  Academic Press  1972 
 - xiv,283p.   
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<br/><br/><label>Subjects--Index Terms: </label>Linear equations  Boundary problems  Differential equations  Binominal equations  Partial differential equations 
<br/><br/><label>Dewey Class. No.: </label>517.944