JARGALSAIKHAN, D.; DARKHIJAV, B. On the Minimization Problem of the Sum of Ratios. Journal of Institute of Mathematics and Digital Technology, [S. l.], v. 4, n. 1, p. 9–15, 2022. DOI: 10.5564/jimdt.v4i1.2656. Disponível em: https://mongoliajol.info/index.php/JIMDT/article/view/2656. Acesso em: 4 mar. 2024.