Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1972__13Α_a1, author = {Andreas Zachariou and Eleni Zachariou}, title = {Perfect, {Semiperfect} and {Ore} {Numbers}}, 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 = {12-22}, publisher = {mathdoc}, volume = {13A}, year = {1972}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1972__13%CE%91_a1/} }
Andreas Zachariou; Eleni Zachariou. Perfect, Semiperfect and Ore Numbers. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , 13Α (1972), p. 12-22. http://geodesic.mathdoc.fr/item/DEME_1972__13%CE%91_a1/