Smith Donald R <br/><br/>
Singular-perturbation theory: An introduction with applications 
Smith Donald R 
 - Cambridge  CUP           1985 
 - xvi,500p.  cm. 
<br/><br/><label>Standard No.: </label>22499 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Perturbation<br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33:1, M5