@article{JAC_2005__22_1_a3,
     author = {Bannai, Eiichi and Bannai, Etsuko},
     title = {Tight {Gaussian} 4-designs},
     journal = {Journal of Algebraic Combinatorics},
     pages = {39--63},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2005__22_1_a3/}
}