Eckham, Wiktor <br/><br/>
Matched asymptotic expansions and singular perturbation 

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 -  Amsterdam  North-Holland, 1973 
 - 145 p.   
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<br/><br/><label>Subjects--Index Terms: </label>asymptotic expansions  singular perturbation 
<br/><br/><label>Dewey Class. No.: </label>517.15