@article{MR_1974_1_a123,
     author = {K\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma} \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\eta}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta} {\ensuremath{\Gamma}} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta} : {\ensuremath{\Delta}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}} \ensuremath{\mu}\ensuremath{\varepsilon} \ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\iota}o\ensuremath{\upsilon}\ensuremath{\varsigma} \ensuremath{\varepsilon}\ensuremath{\kappa}\ensuremath{\theta}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\varepsilon}\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 = {21--22},
     year = {1974},
     volume = {1},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1974_1_a123/}
}