div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentinreader043viewer2022020405575068371a28ab0f07af20bdhtml5page1jpg target=_blank img data-url=friedmann-cosmological-model-with-both-radiation-and-matterhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Friedmann Cosmological Model with both Radiation and Matter loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer2022020405575068371a28ab0f07af20bdhtml5thumbnails1jpg width=140 height=200 adivp© 1967 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentinreader043viewer2022020405575068371a28ab0f07af20bdhtml5page2jpg target=_blank img data-url=friedmann-cosmological-model-with-both-radiation-and-matterhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Friedmann Cosmological Model with both Radiation and Matter loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer2022020405575068371a28ab0f07af20bdhtml5thumbnails2jpg width=140 height=200 adivp© 1967 Nature Publishing Grouppdiv