no. 1
Generic Feynman amplitudes
Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 14 (1971) no. 1, pp. 1-55. 
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     pages = {1--55},
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Speer, E. R.; Westwater, M. J. Generic Feynman amplitudes. Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 14 (1971) no. 1, pp. 1-55. http://archive.numdam.org/item/AIHPA_1971__14_1_1_0/

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