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@article{10_4064_cm_6_1_25_27, author = {P. Erd\"os}, title = {Concerning approximation with nodes}, journal = {Colloquium Mathematicum}, pages = {25--27}, publisher = {mathdoc}, volume = {6}, number = {1}, year = {1958}, doi = {10.4064/cm-6-1-25-27}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-25-27/} }
P. Erdös. Concerning approximation with nodes. Colloquium Mathematicum, Tome 6 (1958) no. 1, pp. 25-27. doi : 10.4064/cm-6-1-25-27. http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-25-27/
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