Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences
@article{10_4064_cm_4_1_33_55, author = {{\CYRYA}. {\CYRA}{\cyrc}{\cyre}{\cyrl}{\cyrsftsn}}, title = {{\CYRO} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyri}{\cyrh}}, journal = {Colloquium Mathematicum}, pages = {33--55}, publisher = {mathdoc}, volume = {4}, number = {1}, year = {1956}, doi = {10.4064/cm-4-1-33-55}, language = {ru}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-4-1-33-55/} }
Я. Ацель. О теории средних. Colloquium Mathematicum, Tome 4 (1956) no. 1, pp. 33-55. doi : 10.4064/cm-4-1-33-55. http://geodesic.mathdoc.fr/articles/10.4064/cm-4-1-33-55/
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