@article{Yero2019, author = {Gil-Pons, Reynaldo and Ram\'irez-Cruz, Yunior and Trujillo-Rasua, Rolando and Yero, Ismael G.}, title = {Distance-based vertex identification in graphs: the outer multiset dimension}, journal = {Applied Mathematics and Computation}, year = {2019}, volume = {363}, doi = {10.1016/j.amc.2019.124612} }