@article{MZM_2015_98_4_a13,
     author = {N. V. Ilyushechkin},
     title = {Letter to the {Editor}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {640},
     publisher = {mathdoc},
     volume = {98},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_98_4_a13/}
}