LEMPERT, Anna; KAZAKOV, Alexander; LE, Quang Mung. On reserve and double covering problems for the sets with non-Euclidean metrics. Yugoslav Journal of Operations Research, [S. l.], v. 29, n. 1, p. 69–79, 2019. DOI: 10.2298/YJOR171112010L. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/560. Acesso em: 26 aug. 2025.