On solutions of the KZ and qKZ equations at level zero
Annales de l'I.H.P. Physique théorique, Tome 71 (1999) no. 4, pp. 459-496. 
@article{AIHPA_1999__71_4_459_0,
     author = {Nakayashiki, A. and Pakuliak, S. and Tarasov, V.},
     title = {On solutions of the {KZ} and {qKZ} equations at level zero},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {459--496},
     publisher = {Gauthier-Villars},
     volume = {71},
     number = {4},
     year = {1999},
     mrnumber = {1721551},
     zbl = {0941.35089},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1999__71_4_459_0/}
}
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Nakayashiki, A.; Pakuliak, S.; Tarasov, V. On solutions of the KZ and qKZ equations at level zero. Annales de l'I.H.P. Physique théorique, Tome 71 (1999) no. 4, pp. 459-496. http://archive.numdam.org/item/AIHPA_1999__71_4_459_0/

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