KoverdyukІ. V. “Nonsymmetric Problem of Divisors in an Arithmetic Progression”. Ukrains’kyi Matematychnyi Zhurnal 51, no. 6 (June 25, 1999): 753–761. Accessed May 14, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4662.