Kuzmina, R P. <br/><br/>
Asymptotic methods for ordinary differential equations   
by R.P.Kuzmina 
 - Dordrecht  Kluwer Academic  2000 
 - x, 364p. 
 - Mathematics and its applications  512 .
<br/><br/><label>ISBN: </label>0792364007 
<br/><br/><label>Dewey Class. No.: </label>515.352  / P00