Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Alan H. Guth,Inflationary universe: A possible solution to the horizon and flatness problems,Physical Review D,0556-2821,American Physical Society (APS),1981-01-15,23,2,347-356,https://cir.nii.ac.jp/crid/1361137044293504384,https://doi.org/10.1103/physrevd.23.347