@article{VMJ_2011_13_2_a8,
     author = {A. Kh. Zhurtov and V. D. Mazurov},
     title = {Letter to the {Editor}},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {69},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2011_13_2_a8/}
}