Schouten J A <br/><br/>
Pfaff's problem and its generalizations 

 -  1949 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>23090 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial differential equations
<br/><br/><label>Dewey Class. No.: </label>B334:1, H9