@article{DAN_1980_252_4_a0,
     author = {A. V. Arkhangel'skii},
     title = {The principle of $\tau$-approximation and a test fo equality of dimension of compact {Hausdorff} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {777--780},
     publisher = {mathdoc},
     volume = {252},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_4_a0/}
}