@article{MR_2002__57_a0,
     author = {\ensuremath{\Gamma}. \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma} and  \ensuremath{\Gamma}. K\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varsigma} and  E\ensuremath{\rho}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\'{o} \ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\rho}o \ensuremath{\alpha}\ensuremath{\xi}\ensuremath{\iota}o\ensuremath{\lambda}\'{o}\ensuremath{\gamma}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\mu}\'{o}\ensuremath{\rho}\ensuremath{\varphi}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} E.M.E. and  M. X\ensuremath{\rho}\ensuremath{\upsilon}\ensuremath{\sigma}o\ensuremath{\beta}\ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\theta}\ensuremath{\rho}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta} {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}} {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}o\ensuremath{\varsigma}} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha} \ensuremath{\tau}o\ensuremath{\upsilon} {E\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\acute\iota}o\ensuremath{\upsilon}} {\ensuremath{\Lambda}\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\acute\iota}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 = {5-41},
     publisher = {mathdoc},
     volume = {57},
     year = {2002},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2002__57_a0/}
}