Mika, Janusz Higher order singular perturbation method for linear differential equations in Banach spaces. (English) Zbl 0295.34051 Ann. Pol. Math. 32, 43-57 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 34G99 Differential equations in abstract spaces 34E15 Singular perturbations for ordinary differential equations 34A25 Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc. PDFBibTeX XMLCite \textit{J. Mika}, Ann. Pol. Math. 32, 43--57 (1976; Zbl 0295.34051) Full Text: DOI