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@article{COMIM_2012__20_2_a1, author = {Luca, Florian}, title = {On a problem of {Bednarek}}, journal = {Communications in Mathematics}, pages = {79--80}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {2012}, mrnumber = {3032805}, zbl = {06165036}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2012__20_2_a1/} }
Luca, Florian. On a problem of Bednarek. Communications in Mathematics, Tome 20 (2012) no. 2, pp. 79-80. http://geodesic.mathdoc.fr/item/COMIM_2012__20_2_a1/