Hayashi, Nakao; Naumkin, Pavel I. Final state problem for the cubic nonlinear Klein-Gordon equation. (English) Zbl 1283.35056 J. Math. Phys. 50, No. 10, 103511, 14 p. (2009). MSC: 35L71 81Q05 PDFBibTeX XMLCite \textit{N. Hayashi} and \textit{P. I. Naumkin}, J. Math. Phys. 50, No. 10, 103511, 14 p. (2009; Zbl 1283.35056) Full Text: DOI
Bronski, Jared C.; Johnson, Mathew A. Krein signatures for the Faddeev-Takhtajan eigenvalue problem. (English) Zbl 1178.37097 Commun. Math. Phys. 288, No. 3, 821-846 (2009). Reviewer: Rakib Efendiev (Baku) MSC: 37K15 81R12 34L05 35L70 35P05 PDFBibTeX XMLCite \textit{J. C. Bronski} and \textit{M. A. Johnson}, Commun. Math. Phys. 288, No. 3, 821--846 (2009; Zbl 1178.37097) Full Text: DOI