A generalization of a theorem by Cheo and Yien concerning digital sums.
Cooper, Curtis N. ; Kennedy, Robert E.
International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986), p. 817-820 / Harvested from The Electronic Library of Mathematics
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Publié le : 1986-01-01
DOI : https://doi.org/10.1155/S0161171286001011
EUDML-ID : urn:eudml:doc:46111 
@article{03975032,
     title = {A generalization of a theorem by Cheo and Yien concerning digital sums.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {9},
     year = {1986},
     pages = {817-820},
     doi = {10.1155/S0161171286001011},
     zbl = {0604.10025},
     language = {en},
     url = {http://dml.mathdoc.fr/item/03975032}
}

Cooper, Curtis N.; Kennedy, Robert E. A generalization of a theorem by Cheo and Yien concerning digital sums.. International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986) pp. 817-820. doi : 10.1155/S0161171286001011. http://gdmltest.u-ga.fr/item/03975032/