Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{DCG_1987__2_131031, author = {D.Z. Du and F.K. Hwang and G.D. Song and G.Y Ting}, title = {Steiner {Minimal} {Trees} on {Sets} of {Four} {Points.}}, journal = {Discrete & computational geometry}, pages = {401--414}, publisher = {mathdoc}, volume = {2}, year = {1987}, zbl = {0623.05013}, url = {http://geodesic.mathdoc.fr/item/DCG_1987__2_131031/} }
D.Z. Du; F.K. Hwang; G.D. Song; G.Y Ting. Steiner Minimal Trees on Sets of Four Points.. Discrete & computational geometry, Tome 2 (1987), pp. 401-414. http://geodesic.mathdoc.fr/item/DCG_1987__2_131031/