@article{MT_1999_2_2_a3,
     author = {A. A. Mogul'skii and B. A. Rogozin},
     title = {Random {Walks} in {the~Positive} {Quadrant.~I.} {Local} {Theorems}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {57--97},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1999_2_2_a3/}
}