@article{PORMA_1979__38_3-4_115384,
     author = {Rieger, G.J.},
     title = {On a theorem of {S.} {Uchiyama} concerning the largest squarefree divisor},
     journal = {Portugaliae mathematica},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {38},
     number = {3-4},
     year = {1979},
     mrnumber = {0745227},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1979__38_3-4_115384/}
}