Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1977__32_141188, author = {A. Zbinden}, title = {\"Uberdeckung eiens {Quadrates} durch 6 kongruente {Kreise.}}, journal = {Elemente der Mathematik}, pages = {25--32}, publisher = {mathdoc}, volume = {32}, year = {1977}, zbl = {0353.52007}, url = {http://geodesic.mathdoc.fr/item/ELMA_1977__32_141188/} }
A. Zbinden. Überdeckung eiens Quadrates durch 6 kongruente Kreise.. Elemente der Mathematik, Tome 32 (1977), pp. 25-32. http://geodesic.mathdoc.fr/item/ELMA_1977__32_141188/