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@article{MZ_1928__27_167980, author = {A. S. Besicovitch}, title = {On {Kakeya's} problem and a similar one}, journal = {Mathematische Zeitschrift}, pages = {312--320}, publisher = {mathdoc}, volume = {27}, year = {1928}, zbl = {53.0713.01}, url = {http://geodesic.mathdoc.fr/item/MZ_1928__27_167980/} }
A. S. Besicovitch. On Kakeya's problem and a similar one. Mathematische Zeitschrift, Tome 27 (1928), pp. 312-320. http://geodesic.mathdoc.fr/item/MZ_1928__27_167980/