Method of Calculating Fourier Coefficients of Three Variable Functions Using Tomogram. - Oleg M. Lytvyn; Oleksandra G. Lytvyn; Oleg O. Lytvyn (ACIT, 2019)

Explicit Formulas for Calculating Fourier Coefficients of Three Variables Using Tomograms. - Oleg M. Lytvyn; Oleksandra G. Lytvyn; Oleg O. Lytvyn (ACIT, 2020)