@article{DCG_1987__2_131010,
     author = {D.Z. Du and F.K. Hwang and J.F. Wenig},
     title = {Steiner {Minimal} {Trees} for {Regular} {Polygons.}},
     journal = {Discrete & computational geometry},
     pages = {65--84},
     publisher = {mathdoc},
     volume = {2},
     year = {1987},
     zbl = {0607.05022},
     url = {http://geodesic.mathdoc.fr/item/DCG_1987__2_131010/}
}