@article{JCA_2017_24_1_JCA_2017_24_1_a13,
     author = {A. Zachos},
     title = {A {Generalized} {Fermat-Torricelli} {Tree} in the {Three} {Dimensional} {Euclidean} {Space}},
     journal = {Journal of convex analysis},
     pages = {185--198},
     year = {2017},
     volume = {24},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JCA_2017_24_1_JCA_2017_24_1_a13/}
}