@article{Bengtsson2011,
author = {Bengtsson, T. and Scott, K.},
title= {Population aging and the future of the welfare state: the example of Sweden},
year = {2011},
doi = {10.1111/j.1728-4457.2011.00382.x},
volume = {37},
number = {1},
pages = {158--170},
}