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@article{MZM_1994_55_1_a9, author = {I. V. Raskina}, title = {A property of a circle in a two-dimensional {Banach} space}, journal = {Matemati\v{c}eskie zametki}, pages = {79--83}, publisher = {mathdoc}, volume = {55}, number = {1}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a9/} }
I. V. Raskina. A property of a circle in a two-dimensional Banach space. Matematičeskie zametki, Tome 55 (1994) no. 1, pp. 79-83. http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a9/