A property of the Euler ϕ-function concerning the integers which are regular modulo n
Morgado, José
Portugaliae mathematica, Tome 33 (1974), p. 185-191 / Harvested from Portugaliae Mathematica
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Publié le : 1974-01-01
EUDML-ID : urn:eudml:doc:115237 
@article{2747,
     author = {Morgado, Jos\'e},
     title = {A property of the Euler $\varphi $-function concerning the integers which are regular modulo n},
     journal = {Portugaliae mathematica},
     volume = {33},
     year = {1974},
     pages = {185-191},
     zbl = {0302.10003},
     mrnumber = {0419336},
     language = {en},
     url = {http://dml.mathdoc.fr/item/2747}
}

Morgado, José. A property of the Euler $\varphi $-function concerning the integers which are regular modulo n. Portugaliae mathematica, Tome 33 (1974) pp. 185-191. http://gdmltest.u-ga.fr/item/2747/