Birkhoff's theorem (relativity)
[cs] Birkhoffova věta
[de] Birkhoff-Theorem
[fr] Théorème de Birkhoff (relativité)
[hr] Birkhoffov poučak (relativnost)
[id] Teorema Birkhoff
[it] Teorema di Birkhoff (relatività)
[ja] バーコフの定理
[ko] 버코프의 정리
[nb] Jebsen-Birkhoffs teorem
[pa] ਬਿਰਖੌੱਫ ਦੀ ਥਿਊਰਮ