COVARIANT EXTENSION OF THE WIGNER TRANSFORMATION TO NON-ABELIAN YANG-MILLS SYMMETRIES FOR A VLASOV EQUATION APPROACH TO THE QUARK-GLUON PLASMA J. WinterJ. Phys. Colloques, 45 C6 (1984) C6-53-C6-66DOI: https://doi.org/10.1051/jphyscol:1984607