Voir la notice de l'article provenant de la source Annales Mathematica et Informaticae website
@article{AMI_2009_36_a2, author = {A. Bremner and R. H{\o}ibakk and D. Lukkassen}, title = {Crossed ladders and {Euler{\textquoteright}s} quartic}, journal = {Annales mathematicae et informaticae}, pages = {29--41}, publisher = {mathdoc}, volume = {36}, year = {2009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AMI_2009_36_a2/} }
A. Bremner; R. Høibakk; D. Lukkassen. Crossed ladders and Euler’s quartic. Annales mathematicae et informaticae, Tome 36 (2009), pp. 29-41. http://geodesic.mathdoc.fr/item/AMI_2009_36_a2/