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@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/} }
A. V. Arkhangel'skii. Theorem on $\tau$-approximation and functional duality. Matematičeskie zametki, Tome 31 (1982) no. 3, pp. 421-432. http://geodesic.mathdoc.fr/item/MZM_1982_31_3_a9/