Schouten, Jan Arnoldus  1883- <br/><br/>
Pfaff's problem and its generalizations 

 - Oxford:   Clarendon Press,   1949. 
 - xvi, 542 p.:   graf.,  
<br/><br/><label>LCCN: </label>49009128  
<br/><br/><label>Subjects--Topical Terms: </label><br/>PFAFF´S PROBLEMS<br/>PARTIAL DIFFERENTIAL EQUATIONS<br/>CAMPOS VECTORIALES
<br/><br/><label>Subjects--Index Terms: </label>Prolemas de Pfaff. 
<br/><br/><label>LC Class. No.: </label>QA381  / .S38 
<br/><br/><label>Dewey Class. No.: </label>517.38