Voir la notice de l'article provenant de la source Ars Mathematica Contemporanea website
@article{AMC_2018__14_1_a2, author = { }, title = {Paper has been retracted by the {Editors} in {Chief} with author{\textquoteright}s permission.}, journal = {Ars Mathematica Contemporanea}, pages = {15--23}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {2018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AMC_2018__14_1_a2/} }
. Paper has been retracted by the Editors in Chief with author’s permission.. Ars Mathematica Contemporanea, Tome 14 (2018) no. 1, pp. 15-23. http://geodesic.mathdoc.fr/item/AMC_2018__14_1_a2/