@article{AFST_2008_6_17_1_121_0,
     author = {Miclo, Laurent},
     title = {Quand est-ce que des bornes de {Hardy} permettent de calculer une constante de {Poincar\'e} exacte sur la droite ?},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {121--192},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 17},
     number = {1},
     year = {2008},
     doi = {10.5802/afst.1179},
     zbl = {1160.60006},
     mrnumber = {2464097},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1179/}
}