Ibragomov, Nail H. <br/><br/>
Elementary Lie Group Analysis and Ordinary Differential Equations / 

 - New york :  John wiley &  Sons ,  1999 . 
 - xviii, 347p. 
<br/><br/><label>ISBN: </label>0471974307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>integration<br/>Algebra<br/> Differential Equations 
<br/><br/><label>Dewey Class. No.: </label>515.352