@article{DM_2013_25_3_a7,
     author = {E. A. Potekhina and M. I. Tolovikov},
     title = {Oscillating random walk and the {Hadamard} product of rational functions},
     journal = {Diskretnaya Matematika},
     pages = {96--115},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2013_25_3_a7/}
}