@article{AIHPB_2008__44_1_170_0,
     author = {Caravenna, Francesco and Chaumont, Lo{\"\i}c},
     title = {Invariance principles for random walks conditioned to stay positive},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {170--190},
     publisher = {Gauthier-Villars},
     volume = {44},
     number = {1},
     year = {2008},
     doi = {10.1214/07-AIHP119},
     mrnumber = {2451576},
     zbl = {1175.60029},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1214/07-AIHP119/}
}