Recursive graphical solution of closed Schwinger–Dyson equations in φ4-theory. (I). Generation of connected and one-particle irreducible Feynman diagrams - ScienceDirect
The graphical representation of the Schwinger-Dyson equation in the... | Download Scientific Diagram
Freeman Dyson's Quantum Odyssey | Galileo Unbound
Dyson–Schwinger equations and $$\mathcal{N}=4$$ SYM in Landau gauge | SpringerLink
quantum field theory - Question about the Dyson-Schwinger equation for 4-point function of the SYK model - Physics Stack Exchange