@Article{ Branco_Faria_ROSALES:679-691,
author = { Manuel B. Branco and Manuel C. Faria and JOSE CARLOS ROSALES GONZALEZ } ,
title = { Positioned numerical semigroups },
journal = { Quaestiones Mathematicae },
year = { 2021 },
volume = { 44 },
pages = { 679-691 },
}