Kolchin E.R. <br/><br/>
Differential Algebra and Algebraic Groups 
Kolchin E.R. 
 - N.Y. & London  Academic Press  1973 
 - 446 p. 
<br/><br/> Monographs and textbooks in pure and applied mathematics V.54 
<br/><br/><label>Dewey Class. No.: </label>512/Berb.