@article{AFM_2020_45_2_a25, author = {Daniela Di Donato}, title = {Intrinsic {Lipschitz} graphs in {Carnot} groups of step 2}, journal = {Annales Fennici Mathematici}, pages = {1013{\textendash}1063--1013{\textendash}1063}, publisher = {mathdoc}, volume = {45}, number = {2}, year = {2020}, doi = {10.5186/aasfm.2020.4556}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2020.4556/} }