@article{articlec9d34174,
title   = {A Van Kampen type theorem for coincidences},
author = {Borsari, Lucilia Daruiz and Gonçalves, Daciberg Lima},
year = {2000},
doi = {10.1016/s0166-8641(98)00115-1},
journal   = {Topology and its Applications}
}