6 citations to 10.1111/sapm.12156 (Crossref Cited-By Service)

1. A. Yu. Trynin, “Error Estimate for Uniform Approximation by Lagrange–Sturm–Liouville Processes”, J Math Sci, 247, № 6, 2020, 939  
2. D I Borisov, D A Zezyulin, “Spacing gain and absorption in a simple $ \newcommand{\PT}{\mathcal{PT}} \PT$ -symmetric model: spectral singularities and ladders of eigenvalues and resonances”, J. Phys. A: Math. Theor., 52, № 44, 2019, 445202  
3. D. I. Borisov, “Perturbations of the Continuous Spectrum of a Certain Nonlinear Two-Dimensional Operator Sheaf”, J Math Sci, 252, № 2, 2021, 135  
4. A. Yu. Trynin, “Sufficient Condition for Convergence of Lagrange–Sturm–Liouville Processes in Terms of One-Sided Modulus of Continuity”, Comput. Math. and Math. Phys., 58, № 11, 2018, 1716  
5. D. I. Borisov, D. A. Zezyulin, M. Znojil, “Bifurcations of thresholds in essential spectra of elliptic operators under localized non‐Hermitian perturbations”, Stud Appl Math, 146, № 4, 2021, 834  
6. Denis Borisov, Giuseppe Cardone, “Spectra of operator pencils with small 𝒫𝒯-symmetric periodic perturbation”, ESAIM: COCV, 26, 2020, 21