Dyabilkin, D., and I. Konnov. “A Partial Regularization Method for a Generalized Primal-Dual System of Inequalities”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie), vol. 11, no. 26, Oct. 2010, pp. 318-25, https://en.num-meth.ru/index.php/journal/article/view/405.