Lie Groups Beyond an Introduction,proof explanation - Knapp, Lie Groups: beyond an Introduction, Theorem II.2.15 - Mathematics Stack Exchange,Lie Groups Beyond an Introduction - Anthony W. Knapp - Google Books,Lie Groups: A Problem-Oriented Introduction via Matrix Groups,An Introduction to Lie Groups and Lie Algebras (Cambridge Studies in Advanced Mathematics, Series Number 113): Kirillov Jr Jr, Alexander: 9780521889698: Amazon.com: Books