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@article{DCG_1994__11_3_131296, author = {D. Eppstein}, title = {Approximating the {Minimum} {Weight} {Steiner} {Triangulation.}}, journal = {Discrete & computational geometry}, pages = {163--192}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {1994}, zbl = {0797.68154}, url = {http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131296/} }
D. Eppstein. Approximating the Minimum Weight Steiner Triangulation.. Discrete & computational geometry, Tome 11 (1994) no. 3, pp. 163-192. http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131296/