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@article{AM2_1968__1_135972, author = {K. Szil\'ard}, title = {\"Uber die {Koebesche} {Konstante} ... . {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {212--212}, publisher = {mathdoc}, volume = {1}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/AM2_1968__1_135972/} }
K. Szilárd. Über die Koebesche Konstante ... . (Short Communication).. Aequationes mathematicae, Tome 1 (1968), p. 212. http://geodesic.mathdoc.fr/item/AM2_1968__1_135972/