@article{AFST_2009_6_18_3_541_0, author = {Paul Broussous}, title = {Representations of ${\rm PGL}(2)$ of a local field and harmonic cochains on graph}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {541--559}, publisher = {Universit\'e Paul Sabatier, Toulouse}, volume = {Ser. 6, 18}, number = {3}, year = {2009}, doi = {10.5802/afst.1213}, zbl = {1192.22007}, mrnumber = {2582439}, language = {en}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1213/} }