@article{MZM_1982_31_3_a9,
     author = {A. V. Arkhangel'skii},
     title = {Theorem on $\tau$-approximation and functional duality},
     journal = {Matemati\v{c}eskie zametki},
     pages = {421--432},
     publisher = {mathdoc},
     volume = {31},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1982_31_3_a9/}
}