@article{urn:eudml:doc:39851, title = {Universal formulae of Euler-Fermat type for subsets of Zm.}, journal = {Collectanea Mathematica}, volume = {46}, year = {1995}, pages = {183-193}, zbl = {0842.11002}, mrnumber = {MR1366140}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:39851} }
Schwarz, Stefan. Universal formulae of Euler-Fermat type for subsets of Zm.. Collectanea Mathematica, Tome 46 (1995) pp. 183-193. http://gdmltest.u-ga.fr/item/urn:eudml:doc:39851/