@article{AIHPB_1976__12_2_151_0,
     author = {Astbury, K. A.},
     title = {A potential operator and some ergodic properties of a positive $L_\infty $ contraction},
     journal = {Annales de l'institut Henri Poincar\'e. Section B. Calcul des probabilit\'es et statistiques},
     pages = {151--162},
     publisher = {Gauthier-Villars},
     volume = {12},
     number = {2},
     year = {1976},
     zbl = {0364.60115},
     language = {en},
     url = {http://www.numdam.org/item/AIHPB_1976__12_2_151_0/}
}