Journal of Mathematical Inequalities · Volume 4, Issue 4 On Bergstrom inequality for commuting gramian normal operators 04-45 Pages 505-516 DOI 10.7153/jmi-04-45 Downloads Short PDF Full PDF PNG Authors Loredana Ciurdariu Keywords Pseudo-Hilbert spaces (Loynes spaces) seminorms Bergstrom inequality Subject classes 47A45 42B10