@article{MR_2000_53_a1,
     author = {\ensuremath{\Pi}. \ensuremath{\Sigma}\ensuremath{\pi}\ensuremath{\acute\upsilon}\ensuremath{\rho}o\ensuremath{\upsilon} and  \ensuremath{\Lambda}. \ensuremath{\Lambda}\ensuremath{\acute\alpha}\ensuremath{\pi}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\varsigma}},
     title = {A\ensuremath{\pi}\'{o} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {I\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {K\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\pi}\ensuremath{\acute\upsilon}\ensuremath{\lambda}\ensuremath{\eta}\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 = {11--42},
     year = {2000},
     volume = {53},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2000_53_a1/}
}