@article{CHEB_2020_21_3_a26,
     author = {D. V. Gorbachev and I. A. Martyanov},
     title = {Letter to the {Editor}},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {336--338},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2020_21_3_a26/}
}