T. Kojima et Yh. Quano, QUANTUM KNIZHNIK-ZAMOLODCHIKOV EQUATION FOR U-Q,((SL)OVER-CAP(N)) ANDINTEGRAL FORMULA, Journal of physics. A, mathematical and general, 27(20), 1994, pp. 6807-6826
An integral formula for solutions to the level-zero quantum Knizhnik-Z
amoiodchikov equation associated with the vector representation of U-q
(sl(n)) is presented. This formula gives a generalization of both our
previous work for U-q(sl(2)) and Smirnov's formula for form factors of
the SU(n) chiral Gross-Neveu model.