Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MO_2003_25_2_a6, author = {A. Ruinskii}, title = {Kassini {Curve} and an {Equilateral} {Hyperbola}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {80--88}, publisher = {mathdoc}, volume = {25}, number = {2}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2003_25_2_a6/} }
A. Ruinskii. Kassini Curve and an Equilateral Hyperbola. Matematičeskoe obrazovanie, Tome 25 (2003) no. 2, pp. 80-88. http://geodesic.mathdoc.fr/item/MO_2003_25_2_a6/