SD - "Schwinger-Dyson (equation)" by AcronymsAndSlang.com
Recursive graphical solution of closed Schwinger–Dyson equations in φ4-theory. (I). Generation of connected and one-particle irreducible Feynman diagrams - ScienceDirect
Schwinger-Dyson equation for the 4-point vertex. | Download Scientific Diagram
Recursive graphical solution of closed Schwinger–Dyson equations in φ4-theory. (I). Generation of connected and one-particle irreducible Feynman diagrams - ScienceDirect
What is the abbreviation for Schwinger-Dyson (equation)?
A Primer on Functional Methods and the Schwinger-Dyson Equations