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@article{PMF_1888_1_1_a3, author = {Natanson, W{\l}.}, title = {O zadaniu {Tait'a}}, journal = {Prace Matematyczno-Fizyczne}, pages = {46--51}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1888}, language = {pl}, url = {http://geodesic.mathdoc.fr/item/PMF_1888_1_1_a3/} }
Natanson, Wł. O zadaniu Tait'a. Prace Matematyczno-Fizyczne, Tome 1 (1888) no. 1, pp. 46-51. http://geodesic.mathdoc.fr/item/PMF_1888_1_1_a3/