@article{FORUM_1996__8_3_141775,
     author = {Marco Maggesi},
     title = {Mp3 (0, 2d2) is singular.},
     journal = {Forum mathematicum},
     pages = {397--400},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1996},
     zbl = {0863.14008},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1996__8_3_141775/}
}