@article{MR_1987_33_a10,
     author = {\ensuremath{\Delta}. \ensuremath{\Gamma}. Ko\ensuremath{\nu}\ensuremath{\tau}o\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\rho}o\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\sigma}\ensuremath{\varepsilon} \ensuremath{\kappa}\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\acute\alpha} \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}\ensuremath{\alpha}.},
     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 = {80--88},
     year = {1987},
     volume = {33},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1987_33_a10/}
}