@article{MR_1992_38_a9,
     author = {\ensuremath{\Lambda}. A\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\mu}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {T\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\beta}\ensuremath{\iota}\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu}} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {\ensuremath{\Delta}΄,} {E΄} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {\ensuremath{\Sigma}T΄} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\tau}o\ensuremath{\upsilon} {\ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}o\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}} {\ensuremath{\Sigma}\ensuremath{\chi}o\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}o\ensuremath{\upsilon}.}},
     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 = {93--102},
     year = {1992},
     volume = {38},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1992_38_a9/}
}