N. M. Khoa and T. V. Thang, “On the polyconvolution with the weight function $\gamma(y)=\cos y$ of Hartley integral transforms $\mathcal H_1,$ $\mathcal H_2,$ $\mathcal H_1$ and integral equations”, Ukr. Mat. Zhurn., vol. 75, no. 4, pp. 568 - 576, May 2023.