@article{DEME_1973_14_a19,
     author = { },
     title = {EK\ensuremath{\Theta}E\ensuremath{\Sigma}H {\ensuremath{\Pi}E\ensuremath{\Pi}PA\ensuremath{\Gamma}MEN\ensuremath{\Omega}N} {ETO\ensuremath{\Upsilon}\ensuremath{\Sigma}} 1973},
     journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma}},
     pages = {200--213},
     year = {1973},
     volume = {14},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/DEME_1973_14_a19/}
}