@article{10_4153_CMB_1971_090_4,
     author = {Elazar, R. and Gutterman, M.},
     title = {On a {Problem} of {Random} {Walk} in {Space(1)}},
     journal = {Canadian mathematical bulletin},
     pages = {503--506},
     year = {1971},
     volume = {14},
     number = {4},
     doi = {10.4153/CMB-1971-090-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-090-4/}
}