Yakubovich, S. B. The Titchmarsh integral transformation by the index of a Bessel function. (English) Zbl 0959.44005 J. Comput. Appl. Math. 118, No. 1-2, 353-361 (2000). Reviewer: Hari M.Srivastava (Victoria) MSC: 44A15 PDFBibTeX XMLCite \textit{S. B. Yakubovich}, J. Comput. Appl. Math. 118, No. 1--2, 353--361 (2000; Zbl 0959.44005) Full Text: DOI
Levitan, B. M.; Sargsyan, I. S. Sturm-Liouville and Dirac operators. Transl. from the Russian by Oleg Efimov. (English) Zbl 0704.34002 Mathematics and Its Applications. Soviet Series. 59. Dordrecht etc.: Kluwer Academic Publishers. xi, 350 p. Dfl. 240.00; $ 149.00; £83.00 (1990). MSC: 34-02 34L40 34Lxx 34A55 47E05 PDFBibTeX XMLCite \textit{B. M. Levitan} and \textit{I. S. Sargsyan}, Sturm-Liouville and Dirac operators. Transl. from the Russian by Oleg Efimov. Dordrecht etc.: Kluwer Academic Publishers (1990; Zbl 0704.34002)
Levitan, B. M.; Sargsyan, I. S. Sturm-Liouville and Dirac operators. (Операторы Штурма-Лиувилля и Дирака.) (Russian) Zbl 0657.34002 Moskva: Nauka. 432 p. R. 5.00 (1988). Reviewer: Leonid P. Lebedev MSC: 34-02 34Lxx 34A55 47E05 PDFBibTeX XMLCite \textit{B. M. Levitan} and \textit{I. S. Sargsyan}, Операторы Штурма-Лиувилля и Дирака (Russian). Moskva: Nauka (1988; Zbl 0657.34002)
Pierre, Christophe Eigensolution perturbation for systems with perturbed boundary conditions. (English) Zbl 1235.74246 J. Sound Vib. 112, No. 1, 167-172 (1987). MSC: 74K99 74S30 PDFBibTeX XMLCite \textit{C. Pierre}, J. Sound Vib. 112, No. 1, 167--172 (1987; Zbl 1235.74246) Full Text: DOI