Bhatia, RajendraKittaneh, Fuad2012-12-062012-12-062004-11Bulletin of the London Mathematical Society,v.36 ,no.6,p 820-832http://hdl.handle.net/10263/5006enRoots of unityNon commutativeUnity coefficientsNon-commutative analoguesClarkson inequalities with several operatorsArticle