@article{10_4064_sm173_1_2,
     author = {T. Byczkowski and M. Ryznar},
     title = {Hitting distributions of geometric {Brownian} motion},
     journal = {Studia Mathematica},
     pages = {19--38},
     year = {2006},
     volume = {173},
     number = {1},
     doi = {10.4064/sm173-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm173-1-2/}
}