Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1968__09Α_a11, author = {E. M. Horadam}, title = {An unsolved problem in number theory}, 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 = {143-147}, publisher = {mathdoc}, volume = {09A}, year = {1968}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1968__09%CE%91_a11/} }
E. M. Horadam. An unsolved problem in number theory. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , 09Α (1968), p. 143-147. http://geodesic.mathdoc.fr/item/DEME_1968__09%CE%91_a11/