@article{MR_1987__32_a15, author = {\ensuremath{\Delta}. \ensuremath{\Gamma}.Ko\ensuremath{\nu}\ensuremath{\tau}o\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\eta}}, title = {\ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\rho}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\sigma}΄\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\theta}\ensuremath{\rho}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {M.E.} \ensuremath{\tau}.31 }, 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 = {52-54}, publisher = {mathdoc}, volume = {32}, year = {1987}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1987__32_a15/} }