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Gunes, B. and Cakir, M. 2024. A fitted approximate method for solving singularly perturbed Volterra–Fredholm integro-differential equations with an integral boundary condition.
Ukrains’kyi Matematychnyi Zhurnal. 76, 1 (Feb. 2024), 115–131. DOI:
https://doi.org/10.3842/umzh.v76i1.7331.