Faddeev, L. D. An expression for the trace of the difference between two singular differential operators of the Sturm-Liouville type. (Russian) Zbl 0143.31403 Dokl. Akad. Nauk SSSR 115, 878-881 (1957). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 14 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{L. D. Faddeev}, Dokl. Akad. Nauk SSSR 115, 878--881 (1957; Zbl 0143.31403) OpenURL