TY - JOUR TI - Nonlinear couplings and tree amplitudes in gauge theories PY - 1996 AU - Brandt, F T AU - Frenkel, J T2 - Physical Review D DO - 10.1103/physrevd.53.911 UR - https://doi.org/10.1103/physrevd.53.911 PP - New York VL - 53 IS - 2 SP - 911-5 ER -