@article{AFST_1992_6_1_1_95_0,
     author = {El-Shehawy, Ahmed},
     title = {On absorption probabilities for a random walk between two different barriers},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {95--103},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 6, 1},
     number = {1},
     year = {1992},
     mrnumber = {1191730},
     zbl = {0765.60071},
     language = {en},
     url = {http://archive.numdam.org/item/AFST_1992_6_1_1_95_0/}
}