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@article{CM_1951__9__239_0, author = {Hammersley, J. M.}, title = {The total length of the edges of a polyhedron}, journal = {Compositio Mathematica}, pages = {239--240}, publisher = {Kraus Reprint}, volume = {9}, year = {1951}, mrnumber = {46668}, zbl = {0043.37504}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1951__9__239_0/} }
Hammersley, J. M. The total length of the edges of a polyhedron. Compositio Mathematica, Tome 9 (1951), pp. 239-240. http://geodesic.mathdoc.fr/item/CM_1951__9__239_0/