@article{EU_1974-1975__03_a5,
     author = {N. A\ensuremath{\theta}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\sigma}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {To {\ensuremath{\Pi}\ensuremath{\rho}\'{o}\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\alpha}\ensuremath{\upsilon}\ensuremath{\gamma}\ensuremath{\acute\omega}\ensuremath{\nu}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}
},
     pages = {22-26},
     publisher = {mathdoc},
     volume = {03},
     year = {1974-1975},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1974-1975__03_a5/}
}