@article{MR_1996__46_a18,
     author = {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\iota}o\ensuremath{\varsigma} \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma} and  A\ensuremath{\gamma}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} Bo\ensuremath{\upsilon}\ensuremath{\delta}o\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\eta} and  E\ensuremath{\upsilon}\ensuremath{\acute\alpha}\ensuremath{\gamma}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} Ko\ensuremath{\acute\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {E\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\pi}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\mu}o\ensuremath{\gamma}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\varepsilon}\ensuremath{\nu}\'{o}\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\chi}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon} \ensuremath{\mu}o\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\lambda}o\ensuremath{\upsilon} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta} \ensuremath{\delta}\ensuremath{\iota}o\ensuremath{\acute\iota}\ensuremath{\kappa}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\kappa}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\delta}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\upsilon}},
     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 = {26-42},
     publisher = {mathdoc},
     volume = {46},
     year = {1996},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1996__46_a18/}
}