@article{DEME_1971_12_B_a6,
     author = { },
     title = {\'{}E\ensuremath{\kappa}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\acute\epsilon}\ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\varsigma} 1971},
     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 = {313--327},
     year = {1971},
     volume = {12},
     number = {B},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/DEME_1971_12_B_a6/}
}