@article{MR_2002__58_a0,
     author = {A. M\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\varsigma}},
     title = {E\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} -\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \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{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\gamma}\ensuremath{\chi}\ensuremath{\rho}o\ensuremath{\nu}o {E\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\acute\iota}o} {\ensuremath{\Pi}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\iota}o} {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu}} {\ensuremath{\Sigma}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\delta}\ensuremath{\acute\omega}\ensuremath{\nu}} {(E\ensuremath{\Pi}\ensuremath{\Pi}\ensuremath{\Sigma}).} {A\ensuremath{\xi}\ensuremath{\iota}o\ensuremath{\pi}o\ensuremath{\iota}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} 20\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\acute\eta} \ensuremath{\varepsilon}\ensuremath{\mu}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {A\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma}.}},
     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 = {5-21},
     publisher = {mathdoc},
     volume = {58},
     year = {2002},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2002__58_a0/}
}