Approximation of the classes $C^{\psi}_{\beta}H^{\alpha}$ by biharmonic Poisson integrals von Abdullayev, F. G., Kharkevych, Yu. I., Абдуллаев, Ф. Г., Харкевич, Ю. И., Абдуллаєв, Ф. Г., Харкевич, Ю. І.

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Some new estimates of integral inequalities and their applications von Bayraktar, B., Butt, S. I., Nápoles, J. E., Rabossi, F., Bayraktar, B., Butt, S. I., Nápoles, J. E., Rabossi, F.

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