@article{EUG_1983_2_a134,
     author = {N. K\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\varsigma} and  K. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\lambda} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {E\ensuremath{\xi}\ensuremath{\acute\omega}\ensuremath{\varphi}\ensuremath{\upsilon}\ensuremath{\lambda}\ensuremath{\lambda}o}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {1--2},
     year = {1983},
     volume = {2},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1983_2_a134/}
}