Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1984__4_a72, author = {K. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}}, title = {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\varepsilon} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\sigma}\ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\acute\iota}\ensuremath{\rho}\ensuremath{\alpha}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {27-30}, publisher = {mathdoc}, volume = {4}, year = {1984}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1984__4_a72/} }
Κ. Γαβρίλης. Προβλήματα με τη σφαίρα. Ευκλείδης Γ , Tome 4 (1984), p. 27-30. http://geodesic.mathdoc.fr/item/EUG_1984__4_a72/