@article{MR_1975_2_a125,
     author = {T. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma} and  E. \ensuremath{\Gamma}\ensuremath{\iota}o\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}},
     title = {To \ensuremath{\delta}\ensuremath{\acute\iota}\ensuremath{\kappa}\ensuremath{\eta}o \ensuremath{\tau}o\ensuremath{\upsilon} {O\ensuremath{\nu}o\ensuremath{\acute\upsilon}\ensuremath{\varphi}\ensuremath{\rho}\ensuremath{\iota}o\ensuremath{\upsilon}}},
     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 = {44},
     year = {1975},
     volume = {2},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1975_2_a125/}
}