Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1983__19_3_a6, author = {\v{R}{\'\i}ha, S. and Sekanina, Milan}, title = {Squares of triangular cacti}, journal = {Archivum mathematicum}, pages = {153--160}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1983}, mrnumber = {725198}, zbl = {0545.05044}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1983__19_3_a6/} }
Říha, S.; Sekanina, Milan. Squares of triangular cacti. Archivum mathematicum, Tome 19 (1983) no. 3, pp. 153-160. http://geodesic.mathdoc.fr/item/ARM_1983__19_3_a6/