@article{CM_1971__23_1_15_0,
     author = {Stam, A. J.},
     title = {Local central limit theorem for first entrance of a random walk into a half space},
     journal = {Compositio Mathematica},
     pages = {15--23},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {23},
     number = {1},
     year = {1971},
     mrnumber = {282420},
     zbl = {0208.44205},
     language = {en},
     url = {http://www.numdam.org/item/CM_1971__23_1_15_0/}
}