@article{BMMS_2014_37_3_a4,
     author = {Ying-Xiong Xiao},
     title = {Some {Sharp} {Poincar\'e} {Inequalities} with {Weights} on {Carnot} {Groups}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_3_a4/}
}