@article{02012531, title = {Hausdorff measure of the singular set of quasiregular maps on Carnot groups.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2003}, year = {2003}, pages = {2203-2220}, doi = {10.1155/S0161171203212370}, zbl = {1030.22003}, language = {en}, url = {http://dml.mathdoc.fr/item/02012531} }
Markina, Irina. Hausdorff measure of the singular set of quasiregular maps on Carnot groups.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 2203-2220. doi : 10.1155/S0161171203212370. http://gdmltest.u-ga.fr/item/02012531/