Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1995__43_a11,
author = {\ensuremath{\Gamma}. K\'{o}\ensuremath{\sigma}\ensuremath{\upsilon}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\varsigma}},
title = {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\gamma}\ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\nu}o\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\rho}\'{o}\ensuremath{\lambda}o\ensuremath{\upsilon} \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\alpha}\ensuremath{\nu}o\ensuremath{\iota}\ensuremath{\chi}\ensuremath{\tau}o\ensuremath{\acute\upsilon} \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}o\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu}},
journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
pages = {11-34},
publisher = {mathdoc},
volume = {43},
year = {1995},
language = {gr},
url = {http://geodesic.mathdoc.fr/item/EUG_1995__43_a11/}
}
Γ. Κόσυβας. Προσεγγίσεις της έννοιας και του ρόλου του ανοιχτού προβλήματος στην διδασκαλία των μαθηματικών. Ευκλείδης Γ , Tome 43 (1995), p. 11-34. http://geodesic.mathdoc.fr/item/EUG_1995__43_a11/