SyavavkoM. S. “$J$-Fractional Regularization of Linear Ill-Posed Equations”. Ukrains’kyi Matematychnyi Zhurnal 48, no. 8 (August 25, 1996): 1130-1143. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5257.