TY - JOUR AU - V. P. Il'ev AU - G. Sh. Fridman TI - On the problem of approximation by graphs with a fixed number of components JO - Doklady Akademii Nauk PY - 1982 SP - 533 EP - 538 VL - 264 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_3_a3/ LA - ru ID - DAN_1982_264_3_a3 ER -