@article{JAC_2000__11_1_a4,
     author = {Cellini, Paola and Papi, Paolo},
     title = {A root system criterion for fully commutative and short braid-avoiding elements in affine {Weyl} groups},
     journal = {Journal of Algebraic Combinatorics},
     pages = {5--16},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2000__11_1_a4/}
}