@incollection{paugam_solidarite_2015, address = {Paris}, edition = {PUF}, title = {La solidarité en temps de crise}, booktitle = {Repenser la solidarité. {L}’apport des sciences sociales}, editor = {Paugam, Serge}, year = {2015}, pages = {XV--XIX (préface à la 3ème édition)}, }