@article{DAN_1982_264_3_a3,
     author = {V. P. Il'ev and G. Sh. Fridman},
     title = {On the problem of approximation by graphs with a fixed number of components},
     journal = {Doklady Akademii Nauk},
     pages = {533--538},
     publisher = {mathdoc},
     volume = {264},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_264_3_a3/}
}