@article{AFST_2007_6_16_1_37_0,
     author = {Borell, Christer},
     title = {Minkowski sums and {Brownian} exit times},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {37--47},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 16},
     number = {1},
     year = {2007},
     doi = {10.5802/afst.1137},
     mrnumber = {2325590},
     zbl = {1148.60062},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/afst.1137/}
}