@article{JGG_2004_8_2_JGG_2004_8_2_a3,
     author = {M. Hajja and F. Saidi },
     title = {A {Note} on {Bang's} {Theorem} on {Equifacial} {Tetrahedra}},
     journal = {Journal for geometry and graphics},
     pages = {163--169},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/JGG_2004_8_2_JGG_2004_8_2_a3/}
}