@article{BSMF_2011__139_3_341_0,
     author = {Kurkova, Irina and Raschel, Kilian},
     title = {Random walks in $(\mathbb {Z}_{+})^{2}$ with non-zero drift absorbed at the axes},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {341--387},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {139},
     number = {3},
     year = {2011},
     doi = {10.24033/bsmf.2611},
     mrnumber = {2869310},
     zbl = {1243.60042},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2611/}
}