Birkeland, Bent A singular Sturm-Liouville problem treated by non-standard analysis. (English) Zbl 0438.34019 Math. Scand. 47, 275-294 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 2 Documents MSC: 34L99 Ordinary differential operators Keywords:Sturm-Liouville problem; transfer principle of non-standard analysis PDFBibTeX XMLCite \textit{B. Birkeland}, Math. Scand. 47, 275--294 (1980; Zbl 0438.34019) Full Text: DOI EuDML