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@article{ELMA_1983__38_141318, author = {Andrzej Makawski}, title = {On a number-theoretical problem of {Erd\"os.}}, journal = {Elemente der Mathematik}, pages = {101--102}, publisher = {mathdoc}, volume = {38}, year = {1983}, url = {http://geodesic.mathdoc.fr/item/ELMA_1983__38_141318/} }
Andrzej Makawski. On a number-theoretical problem of Erdös.. Elemente der Mathematik, Tome 38 (1983), pp. 101-102. http://geodesic.mathdoc.fr/item/ELMA_1983__38_141318/