@article{MR_1977_5_a53,
     author = {K. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\zeta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\lambda}\ensuremath{\acute\upsilon}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\sigma}\ensuremath{\varepsilon} \ensuremath{\delta}\ensuremath{\upsilon}o \ensuremath{\theta}\ensuremath{\acute\epsilon}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}},
     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 = {14--16},
     year = {1977},
     volume = {5},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_5_a53/}
}