Howland, James S. Puiseux series for resonances at an imbedded eigenvalue. (English) Zbl 0312.47010 Pac. J. Math. 55(1974), 157-176 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 29 Documents MSC: 47A55 Perturbation theory of linear operators 47A10 Spectrum, resolvent PDFBibTeX XMLCite \textit{J. S. Howland}, Pac. J. Math. 55, 157--176 (1974; Zbl 0312.47010) Full Text: DOI