@article{article, title  = {{Viability of f(R) theories with additional powers of curvature}},

 url = {{}},

 year = {{2006}},

 month = {{9}},

 author = {{Brookfield AW and van de Bruck C and Hall LMH}},

 doi = {{10.1103/PhysRevD.74.064028}},

 volume = {{74}},

 journal = {{PHYS REV D}},

 issue = {{6}},

 note = {{Accessed on 2024/12/22}}}