@article{EUG_1996__46_a1,
     author = {Richard Skemp},
     title = {E\ensuremath{\nu}\ensuremath{\nu}o\ensuremath{\iota}o\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} {K\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\eta} {K\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {17-35},
     publisher = {mathdoc},
     volume = {46},
     year = {1996},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1996__46_a1/}
}