@article{AIF_2006__56_5_1457_0,
     author = {Matsumoto, Kohji and Tsumura, Hirofumi},
     title = {On {Witten} multiple zeta-functions associated with semisimple {Lie} algebras {I}},
     journal = {Annales de l'Institut Fourier},
     pages = {1457--1504},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {56},
     number = {5},
     year = {2006},
     doi = {10.5802/aif.2218},
     mrnumber = {2273862},
     zbl = {1168.11036},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2218/}
}