@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://www.numdam.org/item/CM_1940__7__474_0/}
}