@article{MZM_2009_86_3_a9,
     author = {V. K. Leont'ev},
     title = {Some {Number-Theoretic} {Combinatorial} {Problems}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {402--407},
     publisher = {mathdoc},
     volume = {86},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_86_3_a9/}
}