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@article{FAA_1973_7_2_a13, author = {M. P. Kats}, title = {Every $DF$-space is quasinormable}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {85--86}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a13/} }
M. P. Kats. Every $DF$-space is quasinormable. Funkcionalʹnyj analiz i ego priloženiâ, Tome 7 (1973) no. 2, pp. 85-86. http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a13/