Haack, W <br/><br/>
Lectures on partial pfaffian defferential equation 

 - Pergamon  1972 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NULL
<br/><br/><label>Dewey Class. No.: </label>515 35 HAA