Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{VM_2000_2_3_a4, author = {Jay Kappraff and Gary W. Adamson}, title = {A {Unified} {Theory} of {Proportion}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {2000}, url = {http://geodesic.mathdoc.fr/item/VM_2000_2_3_a4/} }
Jay Kappraff; Gary W. Adamson. A Unified Theory of Proportion. Visual Mathematics, Tome 2 (2000) no. 3. http://geodesic.mathdoc.fr/item/VM_2000_2_3_a4/