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@article{DCG_1992__7_4_131183, author = {Y.S. Kupitz}, title = {On a {Generalization} of the {Gallai-Sylvester} {Theorem.}}, journal = {Discrete & computational geometry}, pages = {87--104}, publisher = {mathdoc}, volume = {7}, number = {4}, year = {1992}, zbl = {0765.51002}, url = {http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131183/} }
Y.S. Kupitz. On a Generalization of the Gallai-Sylvester Theorem.. Discrete & computational geometry, Tome 7 (1992) no. 4, pp. 87-104. http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131183/