@article{MR_2002_57_a4,
     author = {\ensuremath{\Gamma}. \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma}},
     title = {A\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}o\ensuremath{\upsilon} {Ko\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}} {K\'{o}\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\varsigma}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Pi}\ensuremath{\rho}\ensuremath{\omega}\ensuremath{\tau}o\ensuremath{\beta}\ensuremath{\acute\alpha}\ensuremath{\theta}\ensuremath{\mu}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varsigma}} {E\ensuremath{\kappa}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\eta}\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 = {35--54},
     year = {2002},
     volume = {57},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2002_57_a4/}
}