@article{AGMS_2015_3_1_a0,
     author = {Z\"ust, Roger},
     title = {Some {Results} on {Maps} {That} {Factor} through a {Tree}},
     journal = {Analysis and Geometry in Metric Spaces},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {2015},
     zbl = {1317.51008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AGMS_2015_3_1_a0/}
}