@article{EUG_1996_46_a14,
     author = {Panagiotis Papadopoulos},
     title = {An {Amalgam} {Related} to {M_11} and {SP_4(3)}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {147--159},
     year = {1996},
     volume = {46},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1996_46_a14/}
}