@article{IM2_2006_70_6_a5,
     author = {V. I. Lotov},
     title = {On the mean value of the ladder epoch for random walks with a small drift},
     journal = {Izvestiya. Mathematics },
     pages = {1225--1232},
     publisher = {mathdoc},
     volume = {70},
     number = {6},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2006_70_6_a5/}
}