@article{00722522, title = {A further study of an approximation for last-exit and first-passage probabilities of a random walk.}, journal = {Journal of Applied Mathematics and Stochastic Analysis}, volume = {7}, year = {1994}, pages = {411-422}, doi = {10.1155/S104895339400033X}, zbl = {0820.60056}, language = {en}, url = {http://dml.mathdoc.fr/item/00722522} }
Daley, D.J.; Servi, L.D. A further study of an approximation for last-exit and first-passage probabilities of a random walk.. Journal of Applied Mathematics and Stochastic Analysis, Tome 7 (1994) pp. 411-422. doi : 10.1155/S104895339400033X. http://gdmltest.u-ga.fr/item/00722522/