@article{TVP_1981_26_1_a3,
     author = {V. M. \v{S}urenkov},
     title = {Random walks on a~halfaxis. {I.~Boundary} problems and ergodic theorem},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {45--58},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1981_26_1_a3/}
}