@article{10_4171_emss_52, author = {Tristan Rivi\`ere}, title = {Exploring the unknown: {The} work of {Louis} {Nirenberg} on partial differential equations}, journal = {EMS surveys in mathematical sciences}, pages = {1--29}, year = {2022}, volume = {9}, number = {1}, doi = {10.4171/emss/52}, url = {http://geodesic.mathdoc.fr/articles/10.4171/emss/52/} }