Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) V. K. Oikonomou,Gauss-Bonnet cosmology unifying late and early-time acceleration eras with intermediate eras,Astrophysics and Space Science,0004-640X,Springer Science and Business Media LLC,2016-06-06,361,7,211,https://cir.nii.ac.jp/crid/1362262945208034816,https://doi.org/10.1007/s10509-016-2800-6