Source: /cirosantilli/space-time-approach-to-quantum-electrodynamic-by-richard-feynman-1949

= Space-Time Approach to Quantum Electrodynamic by Richard Feynman (1949)

https://journals.aps.org/pr/abstract/10.1103/PhysRev.76.769

The first key paper to his approach to <quantum electrodynamics> apparently.

Published on <Physical Review> 76.769.