V. S. Serov, U. M. Kyllönen, “Convergence of Spectral Expansions Related to Elliptic Operators with Singular Coefficients”, Math Notes, 111, № 3-4, 2022, 455
K. A. Mirzoev, A. A. Shkalikov, “Differential operators of even order with distribution coefficients”, Math Notes, 99, № 5-6, 2016, 779
A. A. Belyaev, A. A. Shkalikov, “Multipliers in spaces of Bessel potentials: The case of indices of nonnegative smoothness”, Math Notes, 102, № 5-6, 2017, 632
A. A. Belyaev, “Characterization of spaces of multipliers for Bessel potential spaces”, Math Notes, 96, № 5-6, 2014, 634
V. S. Serov, “Green’s Function Estimates for Elliptic Differential Operators with Singular Coefficients and Absolute Convergence of Fourier Series”, Math Notes, 114, № 5-6, 2023, 920
Yu V Tikhonov, I A Sheipak, “On the string equation with a singular weight belonging to the space of multipliers in Sobolev spaces with negative index of smoothness”, Izv. Math., 80, № 6, 2016, 1242
V S Serov, “Borg–Levinson theorem for perturbations of the bi-harmonic operator”, Inverse Problems, 32, № 4, 2016, 045002
Karakhan Agahan ogly Mirzoev, Andrei Andreevich Shkalikov, “Дифференциальные операторы четного порядка с коэффициентами-распределениями”, Математические заметки, 99, № 5, 2016, 788
Nesrine Aroua, Mourad Bellassoued, “Determination of first order perturbation for bi-harmonic operator by asymptotic boundary spectral data”, Inverse Problems, 41, № 2, 2025, 025006
A. A. Belyaev, “Bilateral Continuous Embeddings for Multipliers Acting in the Scale of Bessel Potential Spaces with Nonnegative Smoothness Indices”, Lobachevskii J Math, 45, № 12, 2024, 6041