@article{MR_1978_10_a23,
     author = {X. \ensuremath{\Delta}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\varsigma} and  \ensuremath{\Pi}. K\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\varsigma} and  \ensuremath{\Gamma}. M\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma}},
     title = {E\ensuremath{\xi}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} 2o\ensuremath{\upsilon} \ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\upsilon}},
     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 = {32--38},
     year = {1978},
     volume = {10},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1978_10_a23/}
}