A Simple Proof of the Polar Decomposition Theorem

[1] Conway J.B., A course in functional analysis, Springer-Verlag, New York, 1985.10.1007/978-1-4757-3828-5Search in Google Scholar

[2] Gantmacher F.R., Brenner J.L., Applications of the theory of matrices, Dover Publications, New York, 2005.Search in Google Scholar

[3] Pedersen G.K., Analysis now, Springer-Verlag, New York, 1989.10.1007/978-1-4612-1007-8Search in Google Scholar