Kazakov, A.L., A.A. Lempert, and H.L. Nguyen. “An Algorithm of Packing Congruent Circles in a Multiply Connected Set With Non-Euclidean Metrics”. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie) 17, no. 48 (May 3, 2016): 177–188. Accessed April 23, 2024. https://en.num-meth.ru/index.php/journal/article/view/879.