Occupation number representation
Chapter in QUANTUM FIELD THEORY FOR THE GIFTED AMATEUR, (2014) 28-36
Path integrals: I said to him, 'You're crazy'
Chapter in QUANTUM FIELD THEORY FOR THE GIFTED AMATEUR, (2014) 210-220
Propagators and Green's functions
Chapter in QUANTUM FIELD THEORY FOR THE GIFTED AMATEUR, (2014) 144-153
Propagators and fields
Chapter in QUANTUM FIELD THEORY FOR THE GIFTED AMATEUR, (2014) 154-164