%0 Journal Article %A Bertoin, Jean %A Doney, R.A. %T On conditioning random walks in an exponential family to stay nonnegative %J Séminaire de probabilités de Strasbourg %D 1994 %P 116-121 %V 28 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1994__28__116_0/ %G fr %F SPS_1994__28__116_0