@article{SPS_1994__28__116_0,
     author = {Bertoin, Jean and Doney, R.A.},
     title = {On conditioning random walks in an exponential family to stay nonnegative},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {116--121},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {28},
     year = {1994},
     mrnumber = {1329107},
     zbl = {0814.60079},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1994__28__116_0/}
}