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@article{ELMA_1982__37_141278, author = {Peter Bundschuh}, title = {\"Uber den {Rang} gewisser zirkulanter {Matrizen} (zu {Problem} {764A).}}, journal = {Elemente der Mathematik}, pages = {16--21}, publisher = {mathdoc}, volume = {37}, year = {1982}, zbl = {0468.10007}, url = {http://geodesic.mathdoc.fr/item/ELMA_1982__37_141278/} }
Peter Bundschuh. Über den Rang gewisser zirkulanter Matrizen (zu Problem 764A).. Elemente der Mathematik, Tome 37 (1982), pp. 16-21. http://geodesic.mathdoc.fr/item/ELMA_1982__37_141278/