@article{ACIRM_2013__3_1_1_0, author = {Najman, Laurent and Romon, Pascal}, title = {Introduction}, journal = {Actes des rencontres du CIRM}, pages = {1--2}, publisher = {CIRM}, volume = {3}, number = {1}, year = {2013}, doi = {10.5802/acirm.49}, language = {en}, url = {http://archive.numdam.org/articles/10.5802/acirm.49/} }