@article{TVP_2012_57_3_a7,
     author = {V. Cammarota and E. Orsingher},
     title = {Hitting spheres on hyperbolic spaces},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {560--587},
     year = {2012},
     volume = {57},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_2012_57_3_a7/}
}