@article{AMI_2019_50_a0, author = {Lakehal Belarbi}, title = {Surfaces with constant extrinsically {Gaussian} curvature in the {Heisenberg} group}, journal = {Annales mathematicae et informaticae}, pages = {5--17}, publisher = {mathdoc}, volume = {50}, year = {2019}, doi = {10.33039/ami.2019.01.001}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.33039/ami.2019.01.001/} }