@article{article4093383d,
title   = {Fixed points of n-valued maps, the fixed point property and the case of surfaces: a braid approach},
author = {Gonçalves, Daciberg Lima and Guaschi, John},
year = {2018},
doi = {10.1016/j.indag.2017.03.003},
journal   = {Indagationes Mathematicae}
}