@article{MZM_1994_55_4_a16,
     author = {E. V. Sokolova},
     title = {Andersen's parabolic problem on a regular tree},
     journal = {Matemati\v{c}eskie zametki},
     pages = {135--137},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_4_a16/}
}