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A.E.Bekaeva, V.V.Karachik, and B.Kh.Turmetov. Solvability of some boundary-value problems for polyharmonic equation with Hadamard–Marchaud boundary operator

S.B.Vakarchuk, M.Sh.Shabozov, and M.R.Langarshoev. On the best mean square approximations by entire functions of exponential type in $L_2(\mathbb{R})$ and mean $\nu$-widths of some functional classes

N.S.Gabbasov and S.S.Solov’eva. Special version of the subdomain method for a class of integral equations of the third kind in the space of distributions

D.Dauitbek, N.E.Tokmagambetov, and K.S.Tulenov. Commutator inequalities associated with polar decompositions of $\tau$-measurable operators

O.S.Zikirov. Dirichlet problem for third-order hyperbolic equations

M.Yu.Kokurin. Sourcewise representability conditions and power estimates of convergence rate in Tikhonov’s scheme for solving ill-posed extremal problems