%0 Journal Article %T Birkhoff's theorem and perturbations in f(R) theories %A Olmo, G. J. %J Annalen der Physik %D 2012 %V 524 %N 5 %I Wiley-V C H Verlag Gmbh %@ 0003-3804 %G English %F Olmo2012 %O WOS:000303662900008 %O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=1013), last updated on Thu, 31 May 2012 11:34:53 +0000 %R 10.1002/andp.201200721 %U https://doi.org/10.1002/andp.201200721 %P 87-88