Second order freeness and fluctuations of random matrices. III: Higher order freeness and free cumulants. Collins, Benoît; Mingo, James A.; Śniady, Piotr; Speicher, Roland — 2007 Documenta Mathematica
Approximately inner automorphisms of semi-finite von Neumann algebras. Thierry Giordano; James A. Mingo — 1993 Mathematica Scandinavica