Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1954__9_140601, author = {George Adams}, title = {Conchoid and {Negative} {Circle.} {(Continued).}}, journal = {Elemente der Mathematik}, pages = {9--16}, publisher = {mathdoc}, volume = {9}, year = {1954}, zbl = {0057.36501}, url = {http://geodesic.mathdoc.fr/item/ELMA_1954__9_140601/} }
George Adams. Conchoid and Negative Circle. (Continued).. Elemente der Mathematik, Tome 9 (1954), pp. 9-16. http://geodesic.mathdoc.fr/item/ELMA_1954__9_140601/