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@article{PMF_1908_19_1_a6, author = {Zaremba, S.}, title = {O zasadzie {Dirichleta}}, journal = {Prace Matematyczno-Fizyczne}, pages = {123--129}, publisher = {mathdoc}, volume = {19}, number = {1}, year = {1908}, language = {pl}, url = {http://geodesic.mathdoc.fr/item/PMF_1908_19_1_a6/} }
Zaremba, S. O zasadzie Dirichleta. Prace Matematyczno-Fizyczne, Tome 19 (1908) no. 1, pp. 123-129. http://geodesic.mathdoc.fr/item/PMF_1908_19_1_a6/