TY  - JOUR
AU  - Hu, Simone
AU  - Schnetz, Oliver
AU  - Shaw, Jim
AU  - Yeats, Karen
TI  - Further investigations into the graph theory of $\phi^4$-periods and the $c_2$ invariant
JO  - Annales de l’Institut Henri Poincaré D
PY  - 2022
SP  - 473
EP  - 524
VL  - 9
IS  - 3
UR  - http://archive.numdam.org/articles/10.4171/aihpd/123/
DO  - 10.4171/aihpd/123
LA  - en
ID  - AIHPD_2022__9_3_473_0
ER  -