@article{MR_1976__4_a144,
     author = {B\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Pi}o\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\delta}o\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {E\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\upsilon}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha},o \ensuremath{\pi}o\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\mu}\'{o}\ensuremath{\varsigma}},
     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 = {97-106},
     publisher = {mathdoc},
     volume = {4},
     year = {1976},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a144/}
}