TY  - JOUR
AU  - Lakehal Belarbi
TI  - Surfaces with constant extrinsically Gaussian curvature in the Heisenberg group
JO  - Annales mathematicae et informaticae
PY  - 2019
SP  - 5
EP  - 17
VL  - 50
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.33039/ami.2019.01.001/
DO  - 10.33039/ami.2019.01.001
LA  - en
ID  - AMI_2019_50_a0
ER  -