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@article{DAN_1980_255_1_a6, author = {V. I. Ruban}, title = {Diameters of sets in spaces of periodic functions.}, journal = {Doklady Akademii Nauk}, pages = {34--35}, publisher = {mathdoc}, volume = {255}, number = {1}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a6/} }
V. I. Ruban. Diameters of sets in spaces of periodic functions.. Doklady Akademii Nauk, Tome 255 (1980) no. 1, pp. 34-35. http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a6/