@article{DAN_1972_207_1_a5,
     author = {V. I. Zalyapin and L. A. Lyusternik},
     title = {On a system of functions for a {Poisson} walk},
     journal = {Doklady Akademii Nauk},
     pages = {29--32},
     publisher = {mathdoc},
     volume = {207},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_1_a5/}
}