@article{EU_1974-1975_02_a20,
     author = {Ko\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\kappa}o\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\acute\eta}\ensuremath{\varsigma} N. and  \ensuremath{\Theta}. K\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\nu}o\ensuremath{\upsilon}},
     title = {\'{}A {T\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta}} {\ensuremath{\Gamma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}o\ensuremath{\upsilon}-------}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {14--17},
     year = {1974-1975},
     volume = {02},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1974-1975_02_a20/}
}