@article{VMJ_2010_12_4_a13,
     author = {O. A. Ivanova and S. N. Melikhov},
     title = {Letter to the {Editor}},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {83},
     year = {2010},
     volume = {12},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2010_12_4_a13/}
}