https://math.stackexchange.com/questions/1525176/where-can-i-find-the-paper-un-th%C3%A9or%C3%A8me-de-compacit%C3%A9-by-j-p-aubin
Nov 12, 2015 · J. P. Aubin, Un théorème de compacité, C.R. Acad. Sc. Paris, 256 (1963), pp. 5042–5044. It seems this paper is the origin of the "famous" Aubin–Lions lemma.