@article{articlec507afc4,
title   = {Random walks systems with killing on ℤ},
author = {Lebensztayn, Élcio and Machado, Fábio Prates and Martinez, Mauricio Zuluaga},
year = {2008},
doi = {10.1080/17442500701748609},
journal   = {Stochastics}
}