@article{MR_1980__17_a24,
     author = {K. \ensuremath{\Phi}\ensuremath{\iota}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\pi}\ensuremath{\pi}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {O\ensuremath{\iota} \ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\lambda}o\ensuremath{\iota} \ensuremath{\delta}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\rho}\ensuremath{\iota}o\ensuremath{\pi}o\ensuremath{\iota}o\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} o\ensuremath{\iota} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\iota}o\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\gamma}o\ensuremath{\acute\upsilon}\ensuremath{\nu}.},
     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 = {58-60},
     publisher = {mathdoc},
     volume = {17},
     year = {1980},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1980__17_a24/}
}