@article{EUG_2002_57_a7,
     author = {\ensuremath{\Gamma}. M\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     title = {O {P\'{o}\ensuremath{\lambda}o\ensuremath{\varsigma}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {A\ensuremath{\pi}\'{o}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\xi}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\sigma}\ensuremath{\varepsilon} {B\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma}} {\ensuremath{\Phi}\ensuremath{\iota}\ensuremath{\lambda}o\ensuremath{\sigma}o\ensuremath{\varphi}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma}} {\ensuremath{\Theta}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {79--93},
     year = {2002},
     volume = {57},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_2002_57_a7/}
}