Butcher, G. H.; Donaldson, J. A. Regular and singular perturbation problems for a singular abstract Cauchy problem. (English) Zbl 0347.34043 Duke Math. J. 42, 435-445 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 34E15 Singular perturbations, general theory for ordinary differential equations 34G99 Differential equations in abstract spaces PDF BibTeX XML Cite \textit{G. H. Butcher} and \textit{J. A. Donaldson}, Duke Math. J. 42, 435--445 (1975; Zbl 0347.34043) Full Text: DOI