Asymptotic analysis of differential equations  
White, R. B. 
 - Rev. ed. 
 - London : | Singapore ; | Hackensack, NJ :  Imperial College Press ; | Distributed by World Scientific,  2010 
 - xxiii, 405 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781848166080 (pbk.) | 1848166087 (pbk.) | 9781848166073 (hbk.) | 1848166079 (hbk.)