Nica, A., & Speicher, R. (1997). R-diagonal pairs: A common approach to Haar unitaries and circular elements. Free probability theory.
Chicago Style (17th ed.) CitationNica, Alexandru, and Roland Speicher. "R-diagonal Pairs: A Common Approach to Haar Unitaries and Circular Elements." Free Probability Theory 1997.
MLA (9th ed.) CitationNica, Alexandru, and Roland Speicher. "R-diagonal Pairs: A Common Approach to Haar Unitaries and Circular Elements." Free Probability Theory, 1997.
Warning: These citations may not always be 100% accurate.