@article{MR_1976__4_a76, author = {N. K\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\varsigma}}, title = {T\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o\ensuremath{\iota}, {T\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o\ensuremath{\iota}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {T\ensuremath{\acute\epsilon}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\iota}o\ensuremath{\iota}} \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\iota}. - {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}} \ensuremath{\alpha}\ensuremath{\pi}o \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\eta}\ensuremath{\gamma}o\ensuremath{\acute\upsilon}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\acute\upsilon}\ensuremath{\chi}\ensuremath{\eta}..}, 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 = {2-4}, publisher = {mathdoc}, volume = {4}, year = {1976}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a76/} }