@article{RM_1994_49_6_a18,
     author = {S. Klama and L. A. Falkovsky},
     title = {Letter to the {Editor}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1994},
     volume = {49},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1994_49_6_a18/}
}