Kiselev, Arthemy V. Max Planck Institute for Mathematics, Max Planck Society;
Buring_The heptagon wheel_oa_2017.pdf (Any fulltext), 320KB
Buring, R., Kiselev, A. V., & Rutten, N. J. (2017). The heptagon-wheel cocycle in the Kontsevich graph complex. Journal of Nonlinear Mathematical Physics, 24(suppl. 1), 157-173. doi:10.1080/14029251.2017.1418060.