Ritt J.F. <br/><br/>
Diffrential equations from the algebraic standpoint 

 -  1947 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67421 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffrential equations
<br/><br/><label>Dewey Class. No.: </label>B33, H7