@article{Wang2019,
author = {Wang, H. and Huang, J.Y. and Yang, Q.},
title= {Assessing the financial sustainability of the pension plan in China: The role of fertility policy adjustment and retirement delay},
year = {2019},
doi = {10.3390/su11030883},
volume = {11},
number = {883},
pages = {1--20},
}