@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 },

}