@article{MR_2001__56_a8,
     author = {A\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\acute\alpha} \ensuremath{\Pi}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\rho}o\ensuremath{\upsilon}},
     title = {H \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\acute\alpha} \ensuremath{\sigma}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}o\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\psi}\ensuremath{\acute\iota}\ensuremath{\alpha}},
     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 = {45-53},
     publisher = {mathdoc},
     volume = {56},
     year = {2001},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2001__56_a8/}
}