- S. A. Nazarov, “Parasitic Eigenvalues of Spectral Problems for the Laplacian with Third-Type Boundary Conditions”, Comput. Math. and Math. Phys., 63, № 7, 2023, 1237
- S. A. Nazarov, “Parasitic Eigenvalues of Spectral Problems for the Laplacian with Third-Type Boundary Conditions”, Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, 63, № 7, 2023, 1128
- Vladimir Kozlov, Johan Thim, “Hadamard asymptotics for eigenvalues of the Dirichlet Laplacian”, Journal de Mathématiques Pures et Appliquées, 140, 2020, 67
- Johan Thim, “Asymptotics of Hadamard type for eigenvalues of the Neumann problem onC1-domains for elliptic operators”, Anal. PDE, 8, № 7, 2015, 1695
- Vladimir Kozlov, “Domain dependence of eigenvalues of elliptic type operators”, Math. Ann., 357, № 4, 2013, 1509
- Julian Haddad, Marcos Montenegro, “On differentiability of eigenvalues of second order elliptic operators on non-smooth domains”, Journal of Differential Equations, 259, № 1, 2015, 408