@article{AFST_2013_6_22_3_623_0,
     author = {El Mir, Chady and Lafontaine, Jacques},
     title = {The systolic constant of orientable {Bieberbach} 3-manifolds},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {623--648},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 22},
     number = {3},
     year = {2013},
     doi = {10.5802/afst.1384},
     zbl = {1296.53084},
     mrnumber = {3113028},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1384/}
}