@article{MZM_2008_83_1_a14,
     author = {V. A. Yurko},
     title = {Inverse {Problems} for {Differential} {Operators} of {Any} {Order} on {Trees}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {139--152},
     publisher = {mathdoc},
     volume = {83},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_83_1_a14/}
}