Valery V. Karachik, Berikbol T. Torebek, 1759, 2016, 020045
V. V. Karachik, “Generalized third boundary value problem for the biharmonic equation”, Diff Equat, 53, № 6, 2017, 756
V. V. Karachik, “Riquier–Neumann Problem for the Polyharmonic Equation in a Ball”, Diff Equat, 54, № 5, 2018, 648
V.V. Karachik, B.T. Torebek, “On One Mathematical Model Described by Boundary Value Problem for the Biharmonic Equation”, Bulletin of the SUSU. MMP, 9, № 4, 2016, 40
Valery V. Karachik, Batirkhan Kh. Turmetov, 351, Functional Analysis in Interdisciplinary Applications—II, 2021, 75
A. P. Soldatov, “On the Fredholm Property and Index of the Generalized Neumann Problem”, Diff Equat, 56, № 2, 2020, 212
V. V. Karachik, “Class of Neumann-Type Problems for the Polyharmonic Equation in a Ball”, Comput. Math. and Math. Phys., 60, № 1, 2020, 144
Valery Karachik, Batirkhan Turmetov, “On solvability of some nonlocal boundary value problems for biharmonic equation”, Mathematica Slovaca, 70, № 2, 2020, 329
Batirkhan TURMETOV, “On some boundary value problems for nonhomogenous polyharmonic equation with boundary operators of fractional order”, Acta Mathematica Scientia, 36, № 3, 2016, 831
V. V. Karachik, “A Neumann-type problem for the biharmonic equation”, Sib. Adv. Math., 27, № 2, 2017, 103