@article{JOLT_2017_27_2_a9,
     author = {Matteo Felder},
     title = {On the {Irrationality} of {Certain} {Coefficients} of the {Alekseev-Torossian} {Associator}},
     journal = {Journal of Lie Theory},
     pages = {501--528},
     year = {2017},
     volume = {27},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2017_27_2_a9/}
}