Lagerstrom, P A Matched asymptotic expansions : ideas and techniques by P A Lagerstrom - New York Springer-Veralg c1988 - xii,250p.;24 cm. -- - Applied mathematical sciences; no.76 . ISBN: 0387968113 Subjects--Topical Terms: Differential Equations-Numerical SolutionsAsymptotic ExpansionsSingular Perturbations (Mathematics)Numerical SolutionsAsymptotic Expansions Dewey Class. No.: 515.35 / LAG