@article{CRMATH_2025__363_G9_887_0, author = {Radu Ignat}, title = {A short proof of the $C^{1,1}$ regularity for the eikonal equation}, journal = {Comptes Rendus. Math\'ematique}, pages = {887--891}, year = {2025}, publisher = {Acad\'emie des sciences, Paris}, volume = {363}, doi = {10.5802/crmath.768}, language = {en}, }