@article{10_4064_cm118_1_14,
     author = {Richard Penney and Roman Urban},
     title = {Estimates for the {Poisson} kernel on higher rank $NA$ groups},
     journal = {Colloquium Mathematicum},
     pages = {259--281},
     publisher = {mathdoc},
     volume = {118},
     number = {1},
     year = {2010},
     doi = {10.4064/cm118-1-14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm118-1-14/}
}