@article{DEME_1971_12_B_a3,
     author = {I. \ensuremath{\Xi}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\theta}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}},
     title = {H 400\ensuremath{\acute\eta} \ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\iota}o\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\gamma}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\tau}o\ensuremath{\upsilon} {Johannes} {Kepler}},
     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 = {283--302},
     year = {1971},
     volume = {12},
     number = {B},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/DEME_1971_12_B_a3/}
}