Bruno, Alexander D. <br/><br/>
Local methods in nonlinear differential equations - P.I & II   
by Alexander D. Bruno, tr. by S.C. Courtney, W. Havingh 
 - London  Springer-Verlag  1989 
 - 348p. 
 - Springer Series in Soviet Mathematics .
<br/><br/><label>ISBN: </label>3540189262 
<br/><br/><label>Dewey Class. No.: </label>515.355  / N891;1