Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_2001__45_a10, author = {Laurentiu Panaitopol}, title = {On some {Properties} {Concerning} the {Function} \ensuremath{\alpha}(n)=n-\ensuremath{\varphi}(n)}, journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} }, pages = {71-77}, publisher = {mathdoc}, volume = {45}, year = {2001}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_2001__45_a10/} }
Laurentiu Panaitopol. On some Properties Concerning the Function α(n)=n-φ(n). Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 45 (2001), p. 71-77. http://geodesic.mathdoc.fr/item/DEME_2001__45_a10/