1. E. Wigner,Phys. Rev.
40 (1932) 749.
2. Wigner notes [1] that the Wigner function was actually found by Szilard and Wigner some years earlier for a purpose different from that of the 1932 paper.
3. J.M. Eisenberg, Y. Kluger and A. Rosenhauer, inThe Nuclear Equation of State, Part B: QCD and the Formation of the Quark-Gluon Plasma, W. Greiner and H. Stöcker, eds, Plenum, New York, 1989, p. 501.
4. H.-Th. Elze and U. Heinz, inQuark-Gluon Plasma, R.C. Hwa, ed., World Scientific, Singapore, 1990, p. 117.
5. S. Mrówczyński, ibid., p. 185.