@article{AIHPB_2012__48_4_989_0,
     author = {Jaffuel, Bruno},
     title = {The critical barrier for the survival of branching random walk with absorption},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {989--1009},
     publisher = {Gauthier-Villars},
     volume = {48},
     number = {4},
     year = {2012},
     doi = {10.1214/11-AIHP453},
     mrnumber = {3052402},
     zbl = {1263.60076},
     language = {en},
     url = {http://www.numdam.org/articles/10.1214/11-AIHP453/}
}