Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences
@article{10_4064_cm_7_2_167_170, author = {P. Erd\"os}, title = {About an estimation problem of {Zahorski}}, journal = {Colloquium Mathematicum}, pages = {167--170}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1959}, doi = {10.4064/cm-7-2-167-170}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-7-2-167-170/} }
P. Erdös. About an estimation problem of Zahorski. Colloquium Mathematicum, Tome 7 (1959) no. 2, pp. 167-170. doi: 10.4064/cm-7-2-167-170
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