Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 11 references without a DOI — listed, not checked
no DOI — not checkedBaker, H.: Theorem and the Allied Theory, Including the Theory of the Theta Function. Cambridge: Cambridge University Press 1897
no DOI — not checkedBirnir, B.: Complex Hill's equation and the complex periodic korteweg-de Vries equation. Commun. Pure Appl. Math.39, 2 (1986)
no DOI — not checkedBuslaev, V.S., Faddeev, L.D., Takhtajian, L.A.: Scattering theory for the KDV equation and its Hamiltonian interpretation. Physica18D, 255 (1986)
no DOI — not checkedDarboux, L.: Sur une proposition relative aux équations linéaires. CR Acad. Sci. Paris94, 1456 (1882)
no DOI — not checkedErcolani, N.M., McKean, H.P.: A Quick Proof of Fay's Secant Formulae. 1988
no DOI — not checkedFaddeev, L.: On the relation between theS-matrix and the potential of the one-dimensional Schrödinger equation. Tr. Mat. Inst. Stekolva73, 314 (1964); AMST65, 139
no DOI — not checkedGelfand, I.M., Levitan, B.: On the determination of a differential equation from its spectral function. Izv. Mat., Nauk.15, 309 (1951); AMST1, 253 (1955)
no DOI — not checkedMarcenko, V.A.: The construction of the potential energy from the phases of the scattered waves. Dokl., Akad. Nauk. SSSR104, 695 (1955)
no DOI — not checkedMarcenko, V., Ostrovskii, I.V.: A characterization of the spectrum of Hill's operator. Sov. Math. Dokl.16, 761 (1975); Mat. Sbornik139, 540 (1975)
no DOI — not checkedMcKean, H.P.: Theta functions, solutions and singular curves. In: Byrnes, C.I (ed.) PDE and Geometry. Proc. Park City Conference (1977) p. 237
no DOI — not checkedMcKean, H.P.: Geometry of KDV (1): Addition and the unimodular spectral classes. Rev. Math. Hispo.-Am.2, 235 (1986)
checked 2026-08-11 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.