@article{MR_1981_22_a13,
     author = {K\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {T\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}o\ensuremath{\acute\upsilon}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\alpha} {O\ensuremath{\lambda}o\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\rho}\ensuremath{\acute\omega}\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 = {64--80},
     year = {1981},
     volume = {22},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1981_22_a13/}
}