@article{MR_1976_4_a92,
     author = {\ensuremath{\Gamma}. \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma} and  Z\ensuremath{\omega}\ensuremath{\ddot\iota}\ensuremath{\tau}o\ensuremath{\pi}o\ensuremath{\acute\upsilon}\ensuremath{\lambda}o\ensuremath{\upsilon} M. and  \ensuremath{\Delta}. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma} and  N. \ensuremath{\Delta}o\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\eta}\ensuremath{\varsigma} and  K. Ko\ensuremath{\nu}\ensuremath{\tau}o\ensuremath{\beta}o\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\iota}o\ensuremath{\varsigma} and  I. M\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\zeta}o\ensuremath{\varsigma}},
     title = {-\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {\ensuremath{\Delta}΄} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta}},
     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 = {35--44},
     year = {1976},
     volume = {4},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1976_4_a92/}
}