- Miglena N. Koleva, Lubin G. Vulkov, 13952, Large-Scale Scientific Computations, 2024, 137
- J. Sh. Safarov, D. K. Durdiev, A. A. Rakhmonov, “An Inverse Problem for a Hyperbolic Integro-Differential
Equation in a Bounded Domain”, Sib. Adv. Math., 34, № 2, 2024, 154
- Aleksandr I. Kozhanov, “Hyperbolic Equations with Unknown Coefficients”, Symmetry, 12, № 9, 2020, 1539
- Slavi Georgiev, Lubin Vulkov, 13952, Large-Scale Scientific Computations, 2024, 195
- D. K. Durdiev, “Coefficient Inverse Problem for an Equation of Mixed Parabolic-Hyperbolic Type with a Noncharacteristic Line of Type Change”, Russ Math., 68, № 3, 2024, 31
- Slavi Georgiev, Lubin Vulkov, 449, New Trends in the Applications of Differential Equations in Sciences, 2024, 395
- José Rodrigo González Granada, Joachim Gwinner, Victor A. Kovtunenko, “On the Shape Differentiability of Objectives: A Lagrangian Approach and the Brinkman Problem”, Axioms, 7, № 4, 2018, 76