@article{MR_1996_46_a14,
     author = {Panagiotis Papadopoulos},
     title = {An {Amalgam} {Related} to {M_11} and {SP_4(3)}},
     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 = {147--159},
     year = {1996},
     volume = {46},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1996_46_a14/}
}