@article{10_4064_sm186_1_7,
     author = {Tadeusz Pytlik and Ryszard Szwarc},
     title = {Weak type radial convolution operators on free groups},
     journal = {Studia Mathematica},
     pages = {77--86},
     publisher = {mathdoc},
     volume = {186},
     number = {1},
     year = {2008},
     doi = {10.4064/sm186-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm186-1-7/}
}