@article{JAC_2009__30_2_a5, author = {Green, R.M.}, title = {Leading coefficients of {Kazhdan-Lusztig} polynomials and fully commutative elements.}, journal = {Journal of Algebraic Combinatorics}, pages = {165--171}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {2009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JAC_2009__30_2_a5/} }