Marchan L, Ordaz O, Villaroel F, Salazar J. Existence conditions for k- barycentric Olson constant. Rev. mat. (En línea) [Internet]. 2020Dec.18 [cited 2024May20];28(1):39-53. Available from: https://www.revistas.ucr.ac.cr/index.php/matematica/article/view/33773