@article{Dittgen1992,
author = {Dittgen, A.},
title= {Le vieillissement de la population française: passé, présent et futur [Ageing of the French population: The past, present and future].},
year = {1992},
doi = {10.3406/espos.1992.1510},
volume = {1992},
number = {1},
pages = {29--41},
}