Falih, R., K. A-Saidy, S., & J. Al-Jawari, N. (2021). Best One-Sided Multiplier Approximation of Unbounded Functions by Trigonometric Polynomials. Al-Nahrain Journal of Science, 24(4), 40-45. https://mail.anjs.edu.iq/index.php/anjs/article/view/2443