Levitan, B. M. Remark on a theorem of V. A. Marcenko. (English) Zbl 0273.34016 Am. Math. Soc., Translat., II. Ser. 101, 105-106 (1973). MSC: 34L99 PDFBibTeX XMLCite \textit{B. M. Levitan}, Transl., Ser. 2, Am. Math. Soc. 101, 105--106 (1973; Zbl 0273.34016) Full Text: DOI
Marchenko, V. A. Some questions in the theory of one-dimensional linear differential operators of the second order. II. (English) Zbl 0273.34015 Am. Math. Soc., Translat., II. Ser. 101, 107-191 (1973). MSC: 34L99 47E05 PDFBibTeX XMLCite \textit{V. A. Marchenko}, Transl., Ser. 2, Am. Math. Soc. 101, 107--191 (1973; Zbl 0273.34015) Full Text: DOI
Marchenko, V. A. Some questions in the theory of one-dimensional linear differential operators of the second order. I. (English) Zbl 0273.34014 Am. Math. Soc., Translat., II. Ser. 101, 1-104 (1973). MSC: 34L99 47E05 PDFBibTeX XMLCite \textit{V. A. Marchenko}, Transl., Ser. 2, Am. Math. Soc. 101, 1--104 (1973; Zbl 0273.34014) Full Text: DOI
Levitan, B. M. On the asymptotic behavior of the spectral function of a selfadjoint second order differential equation. (English) Zbl 0273.34010 Am. Math. Soc., Translat., II. Ser. 101, 192-221 (1973). MSC: 34L99 PDFBibTeX XMLCite \textit{B. M. Levitan}, Transl., Ser. 2, Am. Math. Soc. 101, 192--221 (1973; Zbl 0273.34010) Full Text: DOI
Levitan, B. M. On a special Tauberian theorem. (English) Zbl 0272.40008 Am. Math. Soc., Translat., II. Ser. 101, 222-238 (1973). MSC: 40E05 PDFBibTeX XMLCite \textit{B. M. Levitan}, Transl., Ser. 2, Am. Math. Soc. 101, 222--238 (1973; Zbl 0272.40008) Full Text: DOI
Rozhdestvenskij, B. L. On the discontinuity of solutions of quasilinear equations. (English) Zbl 0271.35014 Am. Math. Soc., Translat., II. Ser. 101, 239-250 (1973). MSC: 35G20 35B99 PDFBibTeX XMLCite \textit{B. L. Rozhdestvenskij}, Transl., Ser. 2, Am. Math. Soc. 101, 239--250 (1973; Zbl 0271.35014)