@article{MR_1992_39_a9,
     author = {\ensuremath{\Theta}. B\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma}},
     title = {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\tau}o\ensuremath{\upsilon} {O\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\mu}o\ensuremath{\acute\upsilon}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\sigma}\ensuremath{\tau}o {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\iota}o}},
     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 = {79--102},
     year = {1992},
     volume = {39},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1992_39_a9/}
}