@article{MR_1981__21_a17, author = {\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma} X.\ensuremath{\Theta}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\alpha}\acute{\ddot{\iota}}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}}, title = {I\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\rho}o\ensuremath{\mu}\ensuremath{\acute\eta}} \ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\varsigma} {M\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}\ensuremath{\varsigma}} {A\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\upsilon}\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 = {95-109}, publisher = {mathdoc}, volume = {21}, year = {1981}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1981__21_a17/} }