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@article{CM_1940__7__474_0, author = {Fejes, L.}, title = {Eine {Bemerkung} zur {Approximation} durch {n-Eckringe}}, journal = {Compositio Mathematica}, pages = {474--476}, publisher = {Johnson Reprint Corporation}, volume = {7}, year = {1940}, mrnumber = {1588}, zbl = {0022.26702}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CM_1940__7__474_0/} }
Fejes, L. Eine Bemerkung zur Approximation durch n-Eckringe. Compositio Mathematica, Tome 7 (1940), pp. 474-476. http://geodesic.mathdoc.fr/item/CM_1940__7__474_0/