1. Alekseev, A., Kawazumi, N., Kuno, Y., Naef, F.: Higher genus Kashiwara-Vergne problems and the Goldman-Turaev Lie bialgebra (2016).
arXiv:1611.05581
2. Alekseev, A., Kawazumi, N., Kuno, Y., Naef, F.: The Goldman-Turaev Lie bialgebra and the Kashiwara-Vergne problem in higher genera (2018).
arXiv:1804.09566v2
3. Alekseev, A., Torossian, C.: The Kashiwara-Vergne conjecture and Drinfel’d’s associators. Ann. Math. 175(2), 415–463 (2012)
4. Calaque, D., Etingof, P., Enriquez, B.: Universal KZB equations: the elliptic case. In: Manin, Y.I. (ed.) Algebra, Arithmetic and Geometry, vol. I, pp. 165–266, Progress in Mathematics, vol. 269., Birkhäuser Boston (2009)
5. Drinfel’d, V.G., On quasitriangular quasi-Hopf algebras and a group that is closely connected with $${\text{Gal}}(\overline{\mathbb{Q}}, {\mathbb{Q}})$$, Algebra i Analiz 2, : 149–181; translation in Leningrad Math. J. 2(1991), 829–860 (1990)