Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1980__20_a7, author = {P. Ribenboim}, title = {On the {Square} {Factors} of the {Numbers} of {Fermat} and {Ferentinou-Nicolakopoulou}}, journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} }, pages = {81-91}, publisher = {mathdoc}, volume = {20}, year = {1980}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1980__20_a7/} }
P. Ribenboim. On the Square Factors of the Numbers of Fermat and Ferentinou-Nicolakopoulou. Μαθηματική Επιθεώρηση , Tome 20 (1980), p. 81-91. http://geodesic.mathdoc.fr/item/MR_1980__20_a7/