@article{GDZPPN002343088, title = {Problem 8}, journal = {Mathematica Scandinavica}, volume = {2}, year = {1954}, pages = {158-158}, url = {http://dml.mathdoc.fr/item/GDZPPN002343088} }
HAMMERSLEY, J. M. Problem 8. Mathematica Scandinavica, Tome 2 (1954) p. 158. http://gdmltest.u-ga.fr/item/GDZPPN002343088/