TY - JOUR AU - A. V. Arkhangel'skii TI - The principle of $\tau$-approximation and a test fo equality of dimension of compact Hausdorff spaces JO - Doklady Akademii Nauk PY - 1980 SP - 777 EP - 780 VL - 252 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_252_4_a0/ LA - ru ID - DAN_1980_252_4_a0 ER -