@article{MR_1974_1_a114,
     author = {\ensuremath{\Phi}. K\ensuremath{\alpha}\ensuremath{\beta}o\ensuremath{\upsilon}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and  E. \ensuremath{\Psi}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta} and  \ensuremath{\Lambda}. M\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\sigma}o\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\eta}\ensuremath{\varsigma} and  \ensuremath{\Gamma}. K\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\epsilon}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {To \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}o \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\pi}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}\ensuremath{\acute\omega}\ensuremath{\nu} {R.}},
     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 = {28--30},
     year = {1974},
     volume = {1},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1974_1_a114/}
}