See, e.g.: Bourbaki, Lie, chap. V, §5, nº5, theorem 4 for equivalence of (A), (B) and (C); page 26 of [1] for equivalence of (A) and (B′); pages 6–18 of [2]Archived 2014-07-29 at the Wayback Machine for equivalence of (C) and (C′) [3] for a proof of (B′)⇒(A).
mathoverflow.net
See, e.g.: Bourbaki, Lie, chap. V, §5, nº5, theorem 4 for equivalence of (A), (B) and (C); page 26 of [1] for equivalence of (A) and (B′); pages 6–18 of [2]Archived 2014-07-29 at the Wayback Machine for equivalence of (C) and (C′) [3] for a proof of (B′)⇒(A).
uni-osnabrueck.de
home.uni-osnabrueck.de
See, e.g.: Bourbaki, Lie, chap. V, §5, nº5, theorem 4 for equivalence of (A), (B) and (C); page 26 of [1] for equivalence of (A) and (B′); pages 6–18 of [2]Archived 2014-07-29 at the Wayback Machine for equivalence of (C) and (C′) [3] for a proof of (B′)⇒(A).
web.archive.org
See, e.g.: Bourbaki, Lie, chap. V, §5, nº5, theorem 4 for equivalence of (A), (B) and (C); page 26 of [1] for equivalence of (A) and (B′); pages 6–18 of [2]Archived 2014-07-29 at the Wayback Machine for equivalence of (C) and (C′) [3] for a proof of (B′)⇒(A).