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@article{JAC_2005__21_3_a4, author = {Ressayre, N.}, title = {Balanced configurations of $2 n + 1$ plane vectors}, journal = {Journal of Algebraic Combinatorics}, pages = {281--287}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {2005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JAC_2005__21_3_a4/} }
Ressayre, N. Balanced configurations of $2 n + 1$ plane vectors. Journal of Algebraic Combinatorics, Tome 21 (2005) no. 3, pp. 281-287. http://geodesic.mathdoc.fr/item/JAC_2005__21_3_a4/